31402433112412 has 24 divisors (see below), whose sum is σ = 55150718603904. Its totient is φ = 15645147488112.

The previous prime is 31402433112409. The next prime is 31402433112439. The reversal of 31402433112412 is 21421133420413.

It is a happy number.

It is a super-2 number, since 2×31402433112412² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5809198 + ... + 9826069.

It is an arithmetic number, because the mean of its divisors is an integer number (2297946608496).

Almost surely, 2^{31402433112412} is an apocalyptic number.

It is an amenable number.

31402433112412 is a deficient number, since it is larger than the sum of its proper divisors (23748285491492).

31402433112412 is a wasteful number, since it uses less digits than its factorization.

31402433112412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15637065 (or 15637063 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 31402433112412 its reverse (21421133420413), we get a palindrome (52823566532825).

The spelling of 31402433112412 in words is "thirty-one trillion, four hundred two billion, four hundred thirty-three million, one hundred twelve thousand, four hundred twelve".