31076157104 has 80 divisors (see below), whose sum is σ = 66234094080. Its totient is φ = 14071760640.

The previous prime is 31076157071. The next prime is 31076157107. The reversal of 31076157104 is 40175167013.

It is a super-3 number, since 3×31076157104³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (31076157107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589094 + ... + 639674.

It is an arithmetic number, because the mean of its divisors is an integer number (827926176).

Almost surely, 2^31076157104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31076157104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33117047040).

31076157104 is an abundant number, since it is smaller than the sum of its proper divisors (35157936976).

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

31076157104 is a wasteful number, since it uses less digits than its factorization.

31076157104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50698 (or 50692 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

Subtracting 31076157104 from its reverse (40175167013), we obtain a palindrome (9099009909).

The spelling of 31076157104 in words is "thirty-one billion, seventy-six million, one hundred fifty-seven thousand, one hundred four".