31460314261 has 2 divisors, whose sum is σ = 31460314262. Its totient is φ = 31460314260.

The previous prime is 31460314213. The next prime is 31460314297. The reversal of 31460314261 is 16241306413.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28436414161 + 3023900100 = 168631^2 + 54990^2 .

It is a cyclic number.

It is not a de Polignac number, because 31460314261 - 2⁹ = 31460313749 is a prime.

It is a super-2 number, since 2×31460314261² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31460314201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15730157130 + 15730157131.

It is an arithmetic number, because the mean of its divisors is an integer number (15730157131).

Almost surely, 2^31460314261 is an apocalyptic number.

It is an amenable number.

31460314261 is a deficient number, since it is larger than the sum of its proper divisors (1).

31460314261 is an equidigital number, since it uses as much as digits as its factorization.

31460314261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 31460314261 in words is "thirty-one billion, four hundred sixty million, three hundred fourteen thousand, two hundred sixty-one".