231693940770 has 16 divisors (see below), whose sum is σ = 556065457920. Its totient is φ = 61785050864.

The previous prime is 231693940733. The next prime is 231693940771. The reversal of 231693940770 is 77049396132.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (231693940771) by changing a digit.

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, 3861565650 + ... + 3861565709.

It is an arithmetic number, because the mean of its divisors is an integer number (34754091120).

Almost surely, 2^231693940770 is an apocalyptic number.

231693940770 is an abundant number, since it is smaller than the sum of its proper divisors (324371517150).

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

231693940770 is a wasteful number, since it uses less digits than its factorization.

231693940770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7723131369.

The product of its (nonzero) digits is 1714608, while the sum is 51.

The spelling of 231693940770 in words is "two hundred thirty-one billion, six hundred ninety-three million, nine hundred forty thousand, seven hundred seventy".