31404420232112 has 20 divisors (see below), whose sum is σ = 60846153956280. Its totient is φ = 15702186953088.

The previous prime is 31404420232099. The next prime is 31404420232177. The reversal of 31404420232112 is 21123202440413.

It is a super-2 number, since 2×31404420232112² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16421303 + ... + 18233705.

It is an arithmetic number, because the mean of its divisors is an integer number (3042307697814).

Almost surely, 2^{31404420232112} is an apocalyptic number.

It is an amenable number.

31404420232112 is a deficient number, since it is larger than the sum of its proper divisors (29441733724168).

31404420232112 is a wasteful number, since it uses less digits than its factorization.

31404420232112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895380 (or 2895374 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 31404420232112 its reverse (21123202440413), we get a palindrome (52527622672525).

The spelling of 31404420232112 in words is "thirty-one trillion, four hundred four billion, four hundred twenty million, two hundred thirty-two thousand, one hundred twelve".