31103201320011 has 48 divisors (see below), whose sum is σ = 47092543586400. Its totient is φ = 19761496418304.

The previous prime is 31103201319989. The next prime is 31103201320013. The reversal of 31103201320011 is 11002310230113.

31103201320011 is a `hidden beast` number, since 3 + 1 + 10 + 320 + 1 + 320 + 0 + 11 = 666.

It is not a de Polignac number, because 31103201320011 - 2⁵ = 31103201319979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31103201320013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2584635 + ... + 8299803.

It is an arithmetic number, because the mean of its divisors is an integer number (981094658050).

Almost surely, 2^{31103201320011} is an apocalyptic number.

31103201320011 is a deficient number, since it is larger than the sum of its proper divisors (15989342266389).

31103201320011 is a wasteful number, since it uses less digits than its factorization.

31103201320011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715548 (or 5715545 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 31103201320011 its reverse (11002310230113), we get a palindrome (42105511550124).

The spelling of 31103201320011 in words is "thirty-one trillion, one hundred three billion, two hundred one million, three hundred twenty thousand, eleven".