31234234340013 has 16 divisors (see below), whose sum is σ = 44856999137280. Its totient is φ = 19268120080944.

The previous prime is 31234234339993. The next prime is 31234234340033. The reversal of 31234234340013 is 31004343243213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31234234339993) and next prime (31234234340033).

It is not a de Polignac number, because 31234234340013 - 2⁸ = 31234234339757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31234234340033) 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, 6371730381 + ... + 6371735282.

It is an arithmetic number, because the mean of its divisors is an integer number (2803562446080).

Almost surely, 2^{31234234340013} is an apocalyptic number.

It is an amenable number.

31234234340013 is a deficient number, since it is larger than the sum of its proper divisors (13622764797267).

31234234340013 is a wasteful number, since it uses less digits than its factorization.

31234234340013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12743465728.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 31234234340013 its reverse (31004343243213), we get a palindrome (62238577583226).

The spelling of 31234234340013 in words is "thirty-one trillion, two hundred thirty-four billion, two hundred thirty-four million, three hundred forty thousand, thirteen".