231510775553732 has 12 divisors (see below), whose sum is σ = 419114335054380. Its totient is φ = 111763822681056.

The previous prime is 231510775553713. The next prime is 231510775553741. The reversal of 231510775553732 is 237355577015132.

It can be written as a sum of positive squares in 2 ways, for example, as 113934574872196 + 117576200681536 = 10674014^2 + 10843256^2 .

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, 997891273823 + ... + 997891274054.

It is an arithmetic number, because the mean of its divisors is an integer number (34926194587865).

Almost surely, 2^{231510775553732} is an apocalyptic number.

It is an amenable number.

231510775553732 is a deficient number, since it is larger than the sum of its proper divisors (187603559500648).

231510775553732 is a wasteful number, since it uses less digits than its factorization.

231510775553732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995782547910 (or 1995782547908 counting only the distinct ones).

The product of its (nonzero) digits is 23152500, while the sum is 56.

The spelling of 231510775553732 in words is "two hundred thirty-one trillion, five hundred ten billion, seven hundred seventy-five million, five hundred fifty-three thousand, seven hundred thirty-two".