231195792492 has 144 divisors (see below), whose sum is σ = 682133804352. Its totient is φ = 64654087680.

The previous prime is 231195792467. The next prime is 231195792539. The reversal of 231195792492 is 294297591132.

It is a happy number.

231195792492 is a `hidden beast` number, since 2 + 3 + 1 + 19 + 57 + 92 + 492 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5602318 + ... + 5643434.

It is an arithmetic number, because the mean of its divisors is an integer number (4737040308).

Almost surely, 2^231195792492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231195792492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341066902176).

231195792492 is an abundant number, since it is smaller than the sum of its proper divisors (450938011860).

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

231195792492 is a wasteful number, since it uses less digits than its factorization.

231195792492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41608 (or 41603 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The spelling of 231195792492 in words is "two hundred thirty-one billion, one hundred ninety-five million, seven hundred ninety-two thousand, four hundred ninety-two".