31100012012330 has 32 divisors (see below), whose sum is σ = 57368542543488. Its totient is φ = 12132319953600.

The previous prime is 31100012012297. The next prime is 31100012012351. The reversal of 31100012012330 is 3321021000113.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31100012012299 and 31100012012308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54425006 + ... + 54993465.

It is an arithmetic number, because the mean of its divisors is an integer number (1792766954484).

Almost surely, 2^{31100012012330} is an apocalyptic number.

31100012012330 is a deficient number, since it is larger than the sum of its proper divisors (26268530531158).

31100012012330 is a wasteful number, since it uses less digits than its factorization.

31100012012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109419182.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31100012012330 its reverse (3321021000113), we get a palindrome (34421033012443).

The spelling of 31100012012330 in words is "thirty-one trillion, one hundred billion, twelve million, twelve thousand, three hundred thirty".