31475673048 has 32 divisors (see below), whose sum is σ = 78937432560. Its totient is φ = 10458791040.

The previous prime is 31475673041. The next prime is 31475673067. The reversal of 31475673048 is 84037657413.

It is a super-2 number, since 2×31475673048² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31475672988 and 31475673006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31475673041) 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, 2060983 + ... + 2076198.

Almost surely, 2^31475673048 is an apocalyptic number.

It is an amenable number.

31475673048 is an abundant number, since it is smaller than the sum of its proper divisors (47461759512).

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

31475673048 is a wasteful number, since it uses less digits than its factorization.

31475673048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4137507 (or 4137503 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 31475673048 in words is "thirty-one billion, four hundred seventy-five million, six hundred seventy-three thousand, forty-eight".