31475398048 has 12 divisors (see below), whose sum is σ = 61967189970. Its totient is φ = 15737699008.

The previous prime is 31475398033. The next prime is 31475398049. The reversal of 31475398048 is 84089357413.

It can be written as a sum of positive squares in only one way, i.e., 26677342224 + 4798055824 = 163332^2 + 69268^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 31475397986 and 31475398004.

It is not an unprimeable number, because it can be changed into a prime (31475398049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491803063 + ... + 491803126.

Almost surely, 2^31475398048 is an apocalyptic number.

It is an amenable number.

31475398048 is a deficient number, since it is larger than the sum of its proper divisors (30491791922).

31475398048 is an equidigital number, since it uses as much as digits as its factorization.

31475398048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983606199 (or 983606191 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 31475398048 in words is "thirty-one billion, four hundred seventy-five million, three hundred ninety-eight thousand, forty-eight".