231513454510115 has 16 divisors (see below), whose sum is σ = 306947761685568. Its totient is φ = 166737055727616.

The previous prime is 231513454510111. The next prime is 231513454510139. The reversal of 231513454510115 is 511015454315132.

It is a cyclic number.

It is not a de Polignac number, because 231513454510115 - 2² = 231513454510111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231513454510111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59210600222 + ... + 59210604131.

It is an arithmetic number, because the mean of its divisors is an integer number (19184235105348).

Almost surely, 2^{231513454510115} is an apocalyptic number.

231513454510115 is a deficient number, since it is larger than the sum of its proper divisors (75434307175453).

231513454510115 is a wasteful number, since it uses less digits than its factorization.

231513454510115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118421204398.

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 231513454510115 in words is "two hundred thirty-one trillion, five hundred thirteen billion, four hundred fifty-four million, five hundred ten thousand, one hundred fifteen".