31231034412401 has 2 divisors, whose sum is σ = 31231034412402. Its totient is φ = 31231034412400.

The previous prime is 31231034412379. The next prime is 31231034412421. The reversal of 31231034412401 is 10421443013213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29341993080625 + 1889041331776 = 5416825^2 + 1374424^2 .

It is a cyclic number.

It is not a de Polignac number, because 31231034412401 - 2⁶ = 31231034412337 is a prime.

It is not a weakly prime, because it can be changed into another prime (31231034412421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15615517206200 + 15615517206201.

It is an arithmetic number, because the mean of its divisors is an integer number (15615517206201).

Almost surely, 2^{31231034412401} is an apocalyptic number.

It is an amenable number.

31231034412401 is a deficient number, since it is larger than the sum of its proper divisors (1).

31231034412401 is an equidigital number, since it uses as much as digits as its factorization.

31231034412401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 31231034412401 its reverse (10421443013213), we get a palindrome (41652477425614).

The spelling of 31231034412401 in words is "thirty-one trillion, two hundred thirty-one billion, thirty-four million, four hundred twelve thousand, four hundred one".