231902126 has 8 divisors (see below), whose sum is σ = 348972624. Its totient is φ = 115577920.

The previous prime is 231902113. The next prime is 231902137. The reversal of 231902126 is 621209132.

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

It is a junction number, because it is equal to n+sod(n) for n = 231902095 and 231902104.

It is a congruent number.

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, 185795 + ... + 187038.

It is an arithmetic number, because the mean of its divisors is an integer number (43621578).

Almost surely, 2^231902126 is an apocalyptic number.

231902126 is a deficient number, since it is larger than the sum of its proper divisors (117070498).

231902126 is a wasteful number, since it uses less digits than its factorization.

231902126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373146.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 231902126 is about 15228.3330013498. Note that the first 3 decimals coincide. The cubic root of 231902126 is about 614.3769449554.

The spelling of 231902126 in words is "two hundred thirty-one million, nine hundred two thousand, one hundred twenty-six".