31301014133 has 2 divisors, whose sum is σ = 31301014134. Its totient is φ = 31301014132.

The previous prime is 31301014093. The next prime is 31301014139. The reversal of 31301014133 is 33141010313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16092698449 + 15208315684 = 126857^2 + 123322^2 .

It is a cyclic number.

It is not a de Polignac number, because 31301014133 - 2¹⁶ = 31300948597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31301014139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15650507066 + 15650507067.

It is an arithmetic number, because the mean of its divisors is an integer number (15650507067).

Almost surely, 2^31301014133 is an apocalyptic number.

It is an amenable number.

31301014133 is a deficient number, since it is larger than the sum of its proper divisors (1).

31301014133 is an equidigital number, since it uses as much as digits as its factorization.

31301014133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31301014133 its reverse (33141010313), we get a palindrome (64442024446).

The spelling of 31301014133 in words is "thirty-one billion, three hundred one million, fourteen thousand, one hundred thirty-three".