231513450324413 has 16 divisors (see below), whose sum is σ = 244480740275520. Its totient is φ = 218624419218816.

The previous prime is 231513450324379. The next prime is 231513450324421. The reversal of 231513450324413 is 314423054315132.

It is a cyclic number.

It is not a de Polignac number, because 231513450324413 - 2¹⁴ = 231513450308029 is a prime.

It is a super-2 number, since 2×231513450324413² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231513450324473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437654906 + ... + 438183572.

It is an arithmetic number, because the mean of its divisors is an integer number (15280046267220).

Almost surely, 2^{231513450324413} is an apocalyptic number.

It is an amenable number.

231513450324413 is a deficient number, since it is larger than the sum of its proper divisors (12967289951107).

231513450324413 is a wasteful number, since it uses less digits than its factorization.

231513450324413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602636.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 231513450324413 in words is "two hundred thirty-one trillion, five hundred thirteen billion, four hundred fifty million, three hundred twenty-four thousand, four hundred thirteen".