31214131344113 has 8 divisors (see below), whose sum is σ = 31373067254760. Its totient is φ = 31055200368640.

The previous prime is 31214131344107. The next prime is 31214131344181. The reversal of 31214131344113 is 31144313141213.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10896647214049 + 20317484130064 = 3301007^2 + 4507492^2 .

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 31214131344113 - 2⁶ = 31214131344049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31214131344113.

It is not an unprimeable number, because it can be changed into a prime (31214131344013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11797553 + ... + 14198961.

It is an arithmetic number, because the mean of its divisors is an integer number (3921633406845).

Almost surely, 2^{31214131344113} is an apocalyptic number.

It is an amenable number.

31214131344113 is a deficient number, since it is larger than the sum of its proper divisors (158935910647).

31214131344113 is a wasteful number, since it uses less digits than its factorization.

31214131344113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467587.

The product of its digits is 10368, while the sum is 32.

Adding to 31214131344113 its reverse (31144313141213), we get a palindrome (62358444485326).

The spelling of 31214131344113 in words is "thirty-one trillion, two hundred fourteen billion, one hundred thirty-one million, three hundred forty-four thousand, one hundred thirteen".