31100001102012 has 24 divisors (see below), whose sum is σ = 72587600015616. Its totient is φ = 10363676922928.

The previous prime is 31100001101977. The next prime is 31100001102017. The reversal of 31100001102012 is 21020110000113.

It is a super-2 number, since 2×31100001102012² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31100001102017) 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 7 ways as a sum of consecutive naturals, for example, 373720548 + ... + 373803755.

It is an arithmetic number, because the mean of its divisors is an integer number (3024483333984).

Almost surely, 2^{31100001102012} is an apocalyptic number.

It is an amenable number.

31100001102012 is an abundant number, since it is smaller than the sum of its proper divisors (41487598913604).

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

31100001102012 is a wasteful number, since it uses less digits than its factorization.

31100001102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747527777 (or 747527775 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 31100001102012 its reverse (21020110000113), we get a palindrome (52120111102125).

The spelling of 31100001102012 in words is "thirty-one trillion, one hundred billion, one million, one hundred two thousand, twelve".