231940246434 has 16 divisors (see below), whose sum is σ = 499563607872. Its totient is φ = 71366229648.

The previous prime is 231940246379. The next prime is 231940246463. The reversal of 231940246434 is 434642049132.

It is a happy number.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 1486796374 + ... + 1486796529.

It is an arithmetic number, because the mean of its divisors is an integer number (31222725492).

Almost surely, 2^231940246434 is an apocalyptic number.

231940246434 is an abundant number, since it is smaller than the sum of its proper divisors (267623361438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231940246434 is a wasteful number, since it uses less digits than its factorization.

231940246434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973592921.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 231940246434 in words is "two hundred thirty-one billion, nine hundred forty million, two hundred forty-six thousand, four hundred thirty-four".