2031331101113 has 2 divisors, whose sum is σ = 2031331101114. Its totient is φ = 2031331101112.

The previous prime is 2031331101109. The next prime is 2031331101197. The reversal of 2031331101113 is 3111011331302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1999743859129 + 31587241984 = 1414123^2 + 177728^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031331101113 - 2² = 2031331101109 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031330101113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015665550556 + 1015665550557.

It is an arithmetic number, because the mean of its divisors is an integer number (1015665550557).

Almost surely, 2^{2031331101113} is an apocalyptic number.

It is an amenable number.

2031331101113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031331101113 is an equidigital number, since it uses as much as digits as its factorization.

2031331101113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 2031331101113 its reverse (3111011331302), we get a palindrome (5142342432415).

The spelling of 2031331101113 in words is "two trillion, thirty-one billion, three hundred thirty-one million, one hundred one thousand, one hundred thirteen".