231001153145 has 64 divisors (see below), whose sum is σ = 330288537600. Its totient is φ = 151747464960.

The previous prime is 231001153129. The next prime is 231001153157. The reversal of 231001153145 is 541351100132.

It is not a de Polignac number, because 231001153145 - 2⁴ = 231001153129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78597086 + ... + 78600024.

It is an arithmetic number, because the mean of its divisors is an integer number (5160758400).

Almost surely, 2^231001153145 is an apocalyptic number.

It is an amenable number.

231001153145 is a deficient number, since it is larger than the sum of its proper divisors (99287384455).

231001153145 is a wasteful number, since it uses less digits than its factorization.

231001153145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 231001153145 its reverse (541351100132), we get a palindrome (772352253277).

The spelling of 231001153145 in words is "two hundred thirty-one billion, one million, one hundred fifty-three thousand, one hundred forty-five".