31225452213 has 16 divisors (see below), whose sum is σ = 41945472000. Its totient is φ = 20661688320.

The previous prime is 31225452197. The next prime is 31225452239.

31225452213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31225452213 - 2⁴ = 31225452197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31225457213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196593 + ... + 317961.

It is an arithmetic number, because the mean of its divisors is an integer number (2621592000).

Almost surely, 2^31225452213 is an apocalyptic number.

It is an amenable number.

31225452213 is a deficient number, since it is larger than the sum of its proper divisors (10720019787).

31225452213 is a wasteful number, since it uses less digits than its factorization.

31225452213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122012.

The product of its digits is 14400, while the sum is 30.

The spelling of 31225452213 in words is "thirty-one billion, two hundred twenty-five million, four hundred fifty-two thousand, two hundred thirteen".