31222114401 has 32 divisors (see below), whose sum is σ = 44600617600. Its totient is φ = 19369082880.

The previous prime is 31222114397. The next prime is 31222114457. The reversal of 31222114401 is 10441122213.

It is not a de Polignac number, because 31222114401 - 2² = 31222114397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31222114901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2667975 + ... + 2679651.

It is an arithmetic number, because the mean of its divisors is an integer number (1393769300).

Almost surely, 2^31222114401 is an apocalyptic number.

It is an amenable number.

31222114401 is a deficient number, since it is larger than the sum of its proper divisors (13378503199).

31222114401 is a wasteful number, since it uses less digits than its factorization.

31222114401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12529.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 31222114401 its reverse (10441122213), we get a palindrome (41663236614).

The spelling of 31222114401 in words is "thirty-one billion, two hundred twenty-two million, one hundred fourteen thousand, four hundred one".