231346253532 has 24 divisors (see below), whose sum is σ = 557221084672. Its totient is φ = 74627823600.

The previous prime is 231346253483. The next prime is 231346253543. The reversal of 231346253532 is 235352643132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310948894 + ... + 310949637.

Almost surely, 2^231346253532 is an apocalyptic number.

It is an amenable number.

231346253532 is an abundant number, since it is smaller than the sum of its proper divisors (325874831140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231346253532 is a wasteful number, since it uses less digits than its factorization.

231346253532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621898569 (or 621898567 counting only the distinct ones).

The product of its digits is 388800, while the sum is 39.

Adding to 231346253532 its reverse (235352643132), we get a palindrome (466698896664).

The spelling of 231346253532 in words is "two hundred thirty-one billion, three hundred forty-six million, two hundred fifty-three thousand, five hundred thirty-two".