231903251206 has 128 divisors (see below), whose sum is σ = 437759562240. Its totient is φ = 90736588800.

The previous prime is 231903251143. The next prime is 231903251227. The reversal of 231903251206 is 602152309132.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34439416 + ... + 34446148.

It is an arithmetic number, because the mean of its divisors is an integer number (3419996580).

Almost surely, 2^231903251206 is an apocalyptic number.

231903251206 is a deficient number, since it is larger than the sum of its proper divisors (205856311034).

231903251206 is a wasteful number, since it uses less digits than its factorization.

231903251206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6950.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 231903251206 in words is "two hundred thirty-one billion, nine hundred three million, two hundred fifty-one thousand, two hundred six".