31022023013011 has 2 divisors, whose sum is σ = 31022023013012. Its totient is φ = 31022023013010.

The previous prime is 31022023012973. The next prime is 31022023013021. The reversal of 31022023013011 is 11031032022013.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31022023013011 is a prime.

It is a super-2 number, since 2×31022023013011² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31022023013011.

It is not a weakly prime, because it can be changed into another prime (31022023013021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511011506505 + 15511011506506.

It is an arithmetic number, because the mean of its divisors is an integer number (15511011506506).

Almost surely, 2^{31022023013011} is an apocalyptic number.

31022023013011 is a deficient number, since it is larger than the sum of its proper divisors (1).

31022023013011 is an equidigital number, since it uses as much as digits as its factorization.

31022023013011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31022023013011 its reverse (11031032022013), we get a palindrome (42053055035024).

The spelling of 31022023013011 in words is "thirty-one trillion, twenty-two billion, twenty-three million, thirteen thousand, eleven".