231515445045134 has 8 divisors (see below), whose sum is σ = 347281895117088. Its totient is φ = 115754813339440.

The previous prime is 231515445045109. The next prime is 231515445045149. The reversal of 231515445045134 is 431540544515132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×231515445045134² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1454492087 + ... + 1454651250.

It is an arithmetic number, because the mean of its divisors is an integer number (43410236889636).

Almost surely, 2^{231515445045134} is an apocalyptic number.

231515445045134 is a deficient number, since it is larger than the sum of its proper divisors (115766450071954).

231515445045134 is a wasteful number, since it uses less digits than its factorization.

231515445045134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909183130.

The product of its (nonzero) digits is 2880000, while the sum is 47.

The spelling of 231515445045134 in words is "two hundred thirty-one trillion, five hundred fifteen billion, four hundred forty-five million, forty-five thousand, one hundred thirty-four".