231142616507 has 8 divisors (see below), whose sum is σ = 252162649200. Its totient is φ = 210123761760.

The previous prime is 231142616503. The next prime is 231142616531. The reversal of 231142616507 is 705616241132.

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

It is not a de Polignac number, because 231142616507 - 2² = 231142616503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231142616503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144233 + ... + 695045.

It is an arithmetic number, because the mean of its divisors is an integer number (31520331150).

Almost surely, 2^231142616507 is an apocalyptic number.

231142616507 is a deficient number, since it is larger than the sum of its proper divisors (21020032693).

231142616507 is a wasteful number, since it uses less digits than its factorization.

231142616507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588973.

The product of its (nonzero) digits is 60480, while the sum is 38.

Adding to 231142616507 its reverse (705616241132), we get a palindrome (936758857639).

The spelling of 231142616507 in words is "two hundred thirty-one billion, one hundred forty-two million, six hundred sixteen thousand, five hundred seven".