31222101401 has 8 divisors (see below), whose sum is σ = 31317642240. Its totient is φ = 31126634352.

The previous prime is 31222101353. The next prime is 31222101403. The reversal of 31222101401 is 10410122213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31222101401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31222101401.

It is not an unprimeable number, because it can be changed into a prime (31222101403) 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, 897926 + ... + 932048.

It is an arithmetic number, because the mean of its divisors is an integer number (3914705280).

Almost surely, 2^31222101401 is an apocalyptic number.

It is an amenable number.

31222101401 is a deficient number, since it is larger than the sum of its proper divisors (95540839).

31222101401 is a wasteful number, since it uses less digits than its factorization.

31222101401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36895.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 31222101401 its reverse (10410122213), we get a palindrome (41632223614).

The spelling of 31222101401 in words is "thirty-one billion, two hundred twenty-two million, one hundred one thousand, four hundred one".