31143024133432 has 16 divisors (see below), whose sum is σ = 58395517898760. Its totient is φ = 15570886027104.

The previous prime is 31143024133427. The next prime is 31143024133451. The reversal of 31143024133432 is 23433142034113.

It is a congruent number.

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, 78043498 + ... + 78441529.

Almost surely, 2^{31143024133432} is an apocalyptic number.

It is an amenable number.

31143024133432 is a deficient number, since it is larger than the sum of its proper divisors (27252493765328).

31143024133432 is a wasteful number, since it uses less digits than its factorization.

31143024133432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156509910 (or 156509906 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 31143024133432 its reverse (23433142034113), we get a palindrome (54576166167545).

The spelling of 31143024133432 in words is "thirty-one trillion, one hundred forty-three billion, twenty-four million, one hundred thirty-three thousand, four hundred thirty-two".