311033013010042 has 16 divisors (see below), whose sum is σ = 494082249717672. Its totient is φ = 146342212764160.

The previous prime is 311033013010021. The next prime is 311033013010043. The reversal of 311033013010042 is 240010310330113.

It can be written as a sum of positive squares in 4 ways, for example, as 177994528248681 + 133038484761361 = 13341459^2 + 11534231^2 .

It is a junction number, because it is equal to n+sod(n) for n = 311033013009995 and 311033013010022.

It is not an unprimeable number, because it can be changed into a prime (311033013010043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820556059 + ... + 820935022.

Almost surely, 2^{311033013010042} is an apocalyptic number.

311033013010042 is a deficient number, since it is larger than the sum of its proper divisors (183049236707630).

311033013010042 is a wasteful number, since it uses less digits than its factorization.

311033013010042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641496673.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 311033013010042 its reverse (240010310330113), we get a palindrome (551043323340155).

The spelling of 311033013010042 in words is "three hundred eleven trillion, thirty-three billion, thirteen million, ten thousand, forty-two".