31033213211013 has 32 divisors (see below), whose sum is σ = 45651673425792. Its totient is φ = 18629809228800.

The previous prime is 31033213210999. The next prime is 31033213211069. The reversal of 31033213211013 is 31011231233013.

It is not a de Polignac number, because 31033213211013 - 2⁴ = 31033213210997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31033213211113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16079433 + ... + 17905713.

It is an arithmetic number, because the mean of its divisors is an integer number (1426614794556).

Almost surely, 2^{31033213211013} is an apocalyptic number.

It is an amenable number.

31033213211013 is a deficient number, since it is larger than the sum of its proper divisors (14618460214779).

31033213211013 is a wasteful number, since it uses less digits than its factorization.

31033213211013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836965.

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

Adding to 31033213211013 its reverse (31011231233013), we get a palindrome (62044444444026).

The spelling of 31033213211013 in words is "thirty-one trillion, thirty-three billion, two hundred thirteen million, two hundred eleven thousand, thirteen".