31023031233011 has 2 divisors, whose sum is σ = 31023031233012. Its totient is φ = 31023031233010.

The previous prime is 31023031232989. The next prime is 31023031233053. The reversal of 31023031233011 is 11033213032013.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31023031233011 - 2³⁸ = 30748153326067 is a prime.

It is a super-2 number, since 2×31023031233011² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31023031233611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511515616505 + 15511515616506.

It is an arithmetic number, because the mean of its divisors is an integer number (15511515616506).

Almost surely, 2^{31023031233011} is an apocalyptic number.

31023031233011 is a deficient number, since it is larger than the sum of its proper divisors (1).

31023031233011 is an equidigital number, since it uses as much as digits as its factorization.

31023031233011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31023031233011 its reverse (11033213032013), we get a palindrome (42056244265024).

The spelling of 31023031233011 in words is "thirty-one trillion, twenty-three billion, thirty-one million, two hundred thirty-three thousand, eleven".