31643041412051 has 8 divisors (see below), whose sum is σ = 31655227372800. Its totient is φ = 31630857055560.

The previous prime is 31643041411997. The next prime is 31643041412053. The reversal of 31643041412051 is 15021414034613.

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

It is a cyclic number.

It is not a de Polignac number, because 31643041412051 - 2⁶ = 31643041411987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31643041412053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39829616 + ... + 40616306.

It is an arithmetic number, because the mean of its divisors is an integer number (3956903421600).

Almost surely, 2^{31643041412051} is an apocalyptic number.

31643041412051 is a deficient number, since it is larger than the sum of its proper divisors (12185960749).

31643041412051 is a wasteful number, since it uses less digits than its factorization.

31643041412051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802129.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 31643041412051 its reverse (15021414034613), we get a palindrome (46664455446664).

The spelling of 31643041412051 in words is "thirty-one trillion, six hundred forty-three billion, forty-one million, four hundred twelve thousand, fifty-one".