31033223000013 has 16 divisors (see below), whose sum is σ = 44566907011200. Its totient is φ = 19094632995264.

The previous prime is 31033222999993. The next prime is 31033223000027. The reversal of 31033223000013 is 31000032233013.

It is not a de Polignac number, because 31033223000013 - 2¹² = 31033222995917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31033223000093) 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, 56703438 + ... + 57248111.

It is an arithmetic number, because the mean of its divisors is an integer number (2785431688200).

Almost surely, 2^{31033223000013} is an apocalyptic number.

It is an amenable number.

31033223000013 is a deficient number, since it is larger than the sum of its proper divisors (13533684011187).

31033223000013 is a wasteful number, since it uses less digits than its factorization.

31033223000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113958548.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 31033223000013 its reverse (31000032233013), we get a palindrome (62033255233026).

The spelling of 31033223000013 in words is "thirty-one trillion, thirty-three billion, two hundred twenty-three million, thirteen", and thus it is an aban number.