231903672250 has 32 divisors (see below), whose sum is σ = 434168806032. Its totient is φ = 92751825600.

The previous prime is 231903672239. The next prime is 231903672269. The reversal of 231903672250 is 52276309132.

It can be written as a sum of positive squares in 8 ways, for example, as 20918704689 + 210984967561 = 144633^2 + 459331^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2666452 + ... + 2752048.

Almost surely, 2^231903672250 is an apocalyptic number.

231903672250 is a deficient number, since it is larger than the sum of its proper divisors (202265133782).

231903672250 is a wasteful number, since it uses less digits than its factorization.

231903672250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96451 (or 96441 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 231903672250 in words is "two hundred thirty-one billion, nine hundred three million, six hundred seventy-two thousand, two hundred fifty".