31122324001 has 2 divisors, whose sum is σ = 31122324002. Its totient is φ = 31122324000.

The previous prime is 31122323959. The next prime is 31122324043. The reversal of 31122324001 is 10042322113.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (31122323959) and next prime (31122324043).

It can be written as a sum of positive squares in only one way, i.e., 18729291025 + 12393032976 = 136855^2 + 111324^2 .

It is an emirp because it is prime and its reverse (10042322113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31122324001 - 2⁷ = 31122323873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31122324001.

It is not a weakly prime, because it can be changed into another prime (31122324601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15561162000 + 15561162001.

It is an arithmetic number, because the mean of its divisors is an integer number (15561162001).

Almost surely, 2^31122324001 is an apocalyptic number.

It is an amenable number.

31122324001 is a deficient number, since it is larger than the sum of its proper divisors (1).

31122324001 is an equidigital number, since it uses as much as digits as its factorization.

31122324001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31122324001 its reverse (10042322113), we get a palindrome (41164646114).

The spelling of 31122324001 in words is "thirty-one billion, one hundred twenty-two million, three hundred twenty-four thousand, one".