31612020516430 has 8 divisors (see below), whose sum is σ = 56901636929592. Its totient is φ = 12644808206568.

The previous prime is 31612020516407. The next prime is 31612020516487. The reversal of 31612020516430 is 3461502021613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31612020516430² (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 3 ways as a sum of consecutive naturals, for example, 1580601025812 + ... + 1580601025831.

It is an arithmetic number, because the mean of its divisors is an integer number (7112704616199).

Almost surely, 2^{31612020516430} is an apocalyptic number.

31612020516430 is a deficient number, since it is larger than the sum of its proper divisors (25289616413162).

31612020516430 is a wasteful number, since it uses less digits than its factorization.

31612020516430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161202051650.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 31612020516430 in words is "thirty-one trillion, six hundred twelve billion, twenty million, five hundred sixteen thousand, four hundred thirty".