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31421111044104 = 23321051415227707
BaseRepresentation
bin1110010010011110011000…
…01010011000100000001000
311010020211101020211201012100
413021033030022120200020
513104300413411402404
6150454354212513400
76422046265064625
oct711171412304010
9133224336751170
1031421111044104
11a014689046231
12363575661b860
13146bcc896a5a2
147a8b0b65334c
153975064bcd39
hex1c93cc298808

31421111044104 has 48 divisors (see below), whose sum is σ = 85179812019120. Its totient is φ = 10463738191200.

The previous prime is 31421111044087. The next prime is 31421111044117. The reversal of 31421111044104 is 40144011112413.

31421111044104 is a `hidden beast` number, since 3 + 1 + 4 + 211 + 1 + 1 + 0 + 441 + 0 + 4 = 666.

It is a super-2 number, since 2×314211110441042 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207538182 + ... + 207689525.

It is an arithmetic number, because the mean of its divisors is an integer number (1774579417065).

Almost surely, 231421111044104 is an apocalyptic number.

It is an amenable number.

31421111044104 is an abundant number, since it is smaller than the sum of its proper divisors (53758700975016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31421111044104 is a wasteful number, since it uses less digits than its factorization.

31421111044104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415228770 (or 415228763 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 31421111044104 its reverse (40144011112413), we get a palindrome (71565122156517).

The spelling of 31421111044104 in words is "thirty-one trillion, four hundred twenty-one billion, one hundred eleven million, forty-four thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1051 2102 3153 4204 6306 8408 9459 12612 18918 25224 37836 75672 415227707 830455414 1245683121 1660910828 2491366242 3321821656 3737049363 4982732484 7474098726 9965464968 14948197452 29896394904 436404320057 872808640114 1309212960171 1745617280228 2618425920342 3491234560456 3927638880513 5236851840684 7855277761026 10473703681368 15710555522052 31421111044104