31341140401 has 2 divisors, whose sum is σ = 31341140402. Its totient is φ = 31341140400.

The previous prime is 31341140393. The next prime is 31341140431. The reversal of 31341140401 is 10404114313.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30145640625 + 1195499776 = 173625^2 + 34576^2 .

It is an emirp because it is prime and its reverse (10404114313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31341140401 - 2³ = 31341140393 is a prime.

It is not a weakly prime, because it can be changed into another prime (31341140431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15670570200 + 15670570201.

It is an arithmetic number, because the mean of its divisors is an integer number (15670570201).

Almost surely, 2^31341140401 is an apocalyptic number.

It is an amenable number.

31341140401 is a deficient number, since it is larger than the sum of its proper divisors (1).

31341140401 is an equidigital number, since it uses as much as digits as its factorization.

31341140401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31341140401 its reverse (10404114313), we get a palindrome (41745254714).

The spelling of 31341140401 in words is "thirty-one billion, three hundred forty-one million, one hundred forty thousand, four hundred one".