31204150613 has 8 divisors (see below), whose sum is σ = 31447892256. Its totient is φ = 30960493200.

The previous prime is 31204150591. The next prime is 31204150619. The reversal of 31204150613 is 31605140213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31204150613 - 2²² = 31199956309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31204150619) 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 7 ways as a sum of consecutive naturals, for example, 868343 + ... + 903563.

It is an arithmetic number, because the mean of its divisors is an integer number (3930986532).

Almost surely, 2^31204150613 is an apocalyptic number.

It is an amenable number.

31204150613 is a deficient number, since it is larger than the sum of its proper divisors (243741643).

31204150613 is a wasteful number, since it uses less digits than its factorization.

31204150613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42115.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 31204150613 its reverse (31605140213), we get a palindrome (62809290826).

The spelling of 31204150613 in words is "thirty-one billion, two hundred four million, one hundred fifty thousand, six hundred thirteen".