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31114032768 = 27337131941127
BaseRepresentation
bin11100111110100010…
…100111011010000000
32222022101112122001000
4130332202213122000
51002210143022033
622143225412000
72151014625540
oct347642473200
988271478030
1031114032768
1112217073375
12604403a000
132c1b11a0a0
14171239b320
15c21832a13
hex73e8a7680

31114032768 has 1024 divisors, whose sum is σ = 122830848000. Its totient is φ = 7524679680.

The previous prime is 31114032767. The next prime is 31114032773. The reversal of 31114032768 is 86723041113.

It is a happy number.

31114032768 is a `hidden beast` number, since 311 + 14 + 0 + 327 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (31114032767) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 244992321 + ... + 244992447.

It is an arithmetic number, because the mean of its divisors is an integer number (119952000).

Almost surely, 231114032768 is an apocalyptic number.

31114032768 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31114032768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61415424000).

31114032768 is an abundant number, since it is smaller than the sum of its proper divisors (91716815232).

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

31114032768 is a wasteful number, since it uses less digits than its factorization.

31114032768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 31114032768 in words is "thirty-one billion, one hundred fourteen million, thirty-two thousand, seven hundred sixty-eight".