31222541641 has 8 divisors (see below), whose sum is σ = 31375716768. Its totient is φ = 31069416000.

The previous prime is 31222541629. The next prime is 31222541671. The reversal of 31222541641 is 14614522213.

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 31222541641 - 2²⁷ = 31088323913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31222541621) 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, 2248881 + ... + 2262721.

It is an arithmetic number, because the mean of its divisors is an integer number (3921964596).

Almost surely, 2^31222541641 is an apocalyptic number.

It is an amenable number.

31222541641 is a deficient number, since it is larger than the sum of its proper divisors (153175127).

31222541641 is a wasteful number, since it uses less digits than its factorization.

31222541641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24743.

The product of its digits is 11520, while the sum is 31.

The spelling of 31222541641 in words is "thirty-one billion, two hundred twenty-two million, five hundred forty-one thousand, six hundred forty-one".