2031111310011 has 32 divisors (see below), whose sum is σ = 3284484899328. Its totient is φ = 1089896471040.

The previous prime is 2031111309989. The next prime is 2031111310021. The reversal of 2031111310011 is 1100131111302.

It is not a de Polignac number, because 2031111310011 - 2³¹ = 2028963826363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2031111310021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6263280 + ... + 6579581.

It is an arithmetic number, because the mean of its divisors is an integer number (102640153104).

Almost surely, 2^{2031111310011} is an apocalyptic number.

2031111310011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2031111310011 is a deficient number, since it is larger than the sum of its proper divisors (1253373589317).

2031111310011 is a wasteful number, since it uses less digits than its factorization.

2031111310011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12843331.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 2031111310011 its reverse (1100131111302), we get a palindrome (3131242421313).

The spelling of 2031111310011 in words is "two trillion, thirty-one billion, one hundred eleven million, three hundred ten thousand, eleven".