31475140352 has 36 divisors (see below), whose sum is σ = 62839436016. Its totient is φ = 15734538240.

The previous prime is 31475140267. The next prime is 31475140363. The reversal of 31475140352 is 25304157413.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1958333 + ... + 1974339.

Almost surely, 2^31475140352 is an apocalyptic number.

31475140352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31475140352 is a deficient number, since it is larger than the sum of its proper divisors (31364295664).

31475140352 is an equidigital number, since it uses as much as digits as its factorization.

31475140352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23704 (or 23690 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

Adding to 31475140352 its reverse (25304157413), we get a palindrome (56779297765).

The spelling of 31475140352 in words is "thirty-one billion, four hundred seventy-five million, one hundred forty thousand, three hundred fifty-two".