31010423201 has 2 divisors, whose sum is σ = 31010423202. Its totient is φ = 31010423200.

The previous prime is 31010423159. The next prime is 31010423207. The reversal of 31010423201 is 10232401013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25872400801 + 5138022400 = 160849^2 + 71680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31010423201 is a prime.

It is a Sophie Germain prime.

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 31010423201.

It is not a weakly prime, because it can be changed into another prime (31010423207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15505211600 + 15505211601.

It is an arithmetic number, because the mean of its divisors is an integer number (15505211601).

Almost surely, 2^31010423201 is an apocalyptic number.

It is an amenable number.

31010423201 is a deficient number, since it is larger than the sum of its proper divisors (1).

31010423201 is an equidigital number, since it uses as much as digits as its factorization.

31010423201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31010423201 its reverse (10232401013), we get a palindrome (41242824214).

The spelling of 31010423201 in words is "thirty-one billion, ten million, four hundred twenty-three thousand, two hundred one".