31311321012033 has 16 divisors (see below), whose sum is σ = 42053529563136. Its totient is φ = 20721665905280.

The previous prime is 31311321012001. The next prime is 31311321012073. The reversal of 31311321012033 is 33021012311313.

It is a cyclic number.

It is not a de Polignac number, because 31311321012033 - 2⁵ = 31311321012001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31311321011994 and 31311321012012.

It is not an unprimeable number, because it can be changed into a prime (31311321012073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59783488 + ... + 60304958.

It is an arithmetic number, because the mean of its divisors is an integer number (2628345597696).

Almost surely, 2^{31311321012033} is an apocalyptic number.

It is an amenable number.

31311321012033 is a deficient number, since it is larger than the sum of its proper divisors (10742208551103).

31311321012033 is a wasteful number, since it uses less digits than its factorization.

31311321012033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667704.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 31311321012033 its reverse (33021012311313), we get a palindrome (64332333323346).

The spelling of 31311321012033 in words is "thirty-one trillion, three hundred eleven billion, three hundred twenty-one million, twelve thousand, thirty-three".