231450247852 has 6 divisors (see below), whose sum is σ = 405037933748. Its totient is φ = 115725123924.

The previous prime is 231450247823. The next prime is 231450247907. The reversal of 231450247852 is 258742054132.

It is a super-2 number, since 2×231450247852² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231450247799 and 231450247808.

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 as a sum of consecutive naturals, namely, 28931280978 + ... + 28931280985.

Almost surely, 2^231450247852 is an apocalyptic number.

It is an amenable number.

231450247852 is a deficient number, since it is larger than the sum of its proper divisors (173587685896).

231450247852 is a wasteful number, since it uses less digits than its factorization.

231450247852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57862561967 (or 57862561965 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 231450247852 in words is "two hundred thirty-one billion, four hundred fifty million, two hundred forty-seven thousand, eight hundred fifty-two".