231958890635 has 16 divisors (see below), whose sum is σ = 293015266560. Its totient is φ = 175791684960.

The previous prime is 231958890623. The next prime is 231958890661. The reversal of 231958890635 is 536098859132.

It is not a de Polignac number, because 231958890635 - 2⁴ = 231958890619 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2371040 + ... + 2466930.

It is an arithmetic number, because the mean of its divisors is an integer number (18313454160).

Almost surely, 2^231958890635 is an apocalyptic number.

231958890635 is a deficient number, since it is larger than the sum of its proper divisors (61056375925).

231958890635 is a wasteful number, since it uses less digits than its factorization.

231958890635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121378.

The product of its (nonzero) digits is 13996800, while the sum is 59.

The spelling of 231958890635 in words is "two hundred thirty-one billion, nine hundred fifty-eight million, eight hundred ninety thousand, six hundred thirty-five".