31244255244213 has 64 divisors (see below), whose sum is σ = 46578801392640. Its totient is φ = 18469081612800.

The previous prime is 31244255244211. The next prime is 31244255244227.

31244255244213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31244255244213 - 2¹ = 31244255244211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31244255244211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1692804081 + ... + 1692822537.

It is an arithmetic number, because the mean of its divisors is an integer number (727793771760).

Almost surely, 2^{31244255244213} is an apocalyptic number.

31244255244213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31244255244213 is a deficient number, since it is larger than the sum of its proper divisors (15334546148427).

31244255244213 is a wasteful number, since it uses less digits than its factorization.

31244255244213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25298.

The product of its digits is 921600, while the sum is 42.

It can be divided in two parts, 3124425 and 5244213, that added together give a palindrome (8368638).

The spelling of 31244255244213 in words is "thirty-one trillion, two hundred forty-four billion, two hundred fifty-five million, two hundred forty-four thousand, two hundred thirteen".