13031014257 has 12 divisors (see below), whose sum is σ = 18823618944. Its totient is φ = 8686861560.

The previous prime is 13031014253. The next prime is 13031014273. The reversal of 13031014257 is 75241013031.

13031014257 is a `hidden beast` number, since 1 + 303 + 101 + 4 + 257 = 666.

It is not a de Polignac number, because 13031014257 - 2² = 13031014253 is a prime.

It is a super-2 number, since 2×13031014257² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13031014257.

It is not an unprimeable number, because it can be changed into a prime (13031014253) 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 11 ways as a sum of consecutive naturals, for example, 220488 + ... + 273270.

It is an arithmetic number, because the mean of its divisors is an integer number (1568634912).

Almost surely, 2^13031014257 is an apocalyptic number.

It is an amenable number.

13031014257 is a deficient number, since it is larger than the sum of its proper divisors (5792604687).

13031014257 is a wasteful number, since it uses less digits than its factorization.

13031014257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80220 (or 80217 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

Adding to 13031014257 its reverse (75241013031), we get a palindrome (88272027288).

The spelling of 13031014257 in words is "thirteen billion, thirty-one million, fourteen thousand, two hundred fifty-seven".