131401013 has 2 divisors, whose sum is σ = 131401014. Its totient is φ = 131401012.

The previous prime is 131400989. The next prime is 131401019. The reversal of 131401013 is 310104131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106977649 + 24423364 = 10343^2 + 4942^2 .

It is an emirp because it is prime and its reverse (310104131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131401013 - 2¹² = 131396917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131401019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65700506 + 65700507.

It is an arithmetic number, because the mean of its divisors is an integer number (65700507).

Almost surely, 2^131401013 is an apocalyptic number.

It is an amenable number.

131401013 is a deficient number, since it is larger than the sum of its proper divisors (1).

131401013 is an equidigital number, since it uses as much as digits as its factorization.

131401013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 131401013 is about 11463.0280903433. The cubic root of 131401013 is about 508.3930104503.

Adding to 131401013 its reverse (310104131), we get a palindrome (441505144).

The spelling of 131401013 in words is "one hundred thirty-one million, four hundred one thousand, thirteen".