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31321410031042 = 245121347082401
BaseRepresentation
bin1110001111100100101011…
…00001001100110111000010
311002220022000220210110220221
413013302111201030313002
513101132221431443132
6150340505050053254
76411616511336305
oct707622541146702
9132808026713827
1031321410031042
119a8637646247a
12361a370a1a22a
13146279a0927c1
147a3d701c0b3c
15394b1d641e97
hex1c7c9584cdc2

31321410031042 has 8 divisors (see below), whose sum is σ = 46983156429132. Its totient is φ = 15660357888000.

The previous prime is 31321410031031. The next prime is 31321410031091. The reversal of 31321410031042 is 24013001412313.

It can be written as a sum of positive squares in 2 ways, for example, as 26310836689281 + 5010573341761 = 5129409^2 + 2238431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31321410030998 and 31321410031016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173450959 + ... + 173631442.

Almost surely, 231321410031042 is an apocalyptic number.

31321410031042 is a deficient number, since it is larger than the sum of its proper divisors (15661746398090).

31321410031042 is a wasteful number, since it uses less digits than its factorization.

31321410031042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347127524.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 31321410031042 its reverse (24013001412313), we get a palindrome (55334411443355).

The spelling of 31321410031042 in words is "thirty-one trillion, three hundred twenty-one billion, four hundred ten million, thirty-one thousand, forty-two".

Divisors: 1 2 45121 90242 347082401 694164802 15660705015521 31321410031042