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31401340000443 = 36723092665009
BaseRepresentation
bin1110010001111001100011…
…01101110101100010111011
311010011221100101010122000000
413020330301231311202323
513103434421020003233
6150441324302444043
76420446323016130
oct710746155654273
9133157311118000
1031401340000443
11a007262887526
123631959293623
13146a197847b9a
147a7b9392a587
15396c4a8cad13
hex1c8f31b758bb

31401340000443 has 56 divisors (see below), whose sum is σ = 53829577586400. Its totient is φ = 17935844961024.

The previous prime is 31401340000423. The next prime is 31401340000451. The reversal of 31401340000443 is 34400004310413.

31401340000443 is a `hidden beast` number, since 314 + 0 + 1 + 340 + 0 + 0 + 0 + 4 + 4 + 3 = 666.

It is not a de Polignac number, because 31401340000443 - 216 = 31401339934907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (31401340000423) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 10450323 + ... + 13115331.

It is an arithmetic number, because the mean of its divisors is an integer number (961242456900).

Almost surely, 231401340000443 is an apocalyptic number.

31401340000443 is a deficient number, since it is larger than the sum of its proper divisors (22428237585957).

31401340000443 is an equidigital number, since it uses as much as digits as its factorization.

31401340000443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667343 (or 2667328 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 31401340000443 its reverse (34400004310413), we get a palindrome (65801344310856).

The spelling of 31401340000443 in words is "thirty-one trillion, four hundred one billion, three hundred forty million, four hundred forty-three", and thus it is an aban number.

Divisors: 1 3 7 9 21 27 63 81 189 243 567 729 1701 2309 5103 6927 16163 20781 48489 62343 145467 187029 436401 561087 1309203 1683261 2665009 3927609 7995027 11782827 18655063 23985081 55965189 71955243 167895567 215865729 503686701 647597187 1511060103 1942791561 4533180309 6153505781 13599540927 18460517343 43074540467 55381552029 129223621401 166144656087 387670864203 498433968261 1163012592609 1495301904783 3489037777827 4485905714349 10467113333481 31401340000443