231390962288 has 10 divisors (see below), whose sum is σ = 448319989464. Its totient is φ = 115695481136.

The previous prime is 231390962273. The next prime is 231390962293. The reversal of 231390962288 is 882269093132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7230967556 + ... + 7230967587.

Almost surely, 2^231390962288 is an apocalyptic number.

It is an amenable number.

231390962288 is a deficient number, since it is larger than the sum of its proper divisors (216929027176).

231390962288 is a wasteful number, since it uses less digits than its factorization.

231390962288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14461935151 (or 14461935145 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 231390962288 in words is "two hundred thirty-one billion, three hundred ninety million, nine hundred sixty-two thousand, two hundred eighty-eight".