31553114641 has 2 divisors, whose sum is σ = 31553114642. Its totient is φ = 31553114640.

The previous prime is 31553114599. The next prime is 31553114653. The reversal of 31553114641 is 14641135513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30597006400 + 956108241 = 174920^2 + 30921^2 .

It is a cyclic number.

It is not a de Polignac number, because 31553114641 - 2¹⁵ = 31553081873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31553114597 and 31553114606.

It is not a weakly prime, because it can be changed into another prime (31553117641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15776557320 + 15776557321.

It is an arithmetic number, because the mean of its divisors is an integer number (15776557321).

Almost surely, 2^31553114641 is an apocalyptic number.

It is an amenable number.

31553114641 is a deficient number, since it is larger than the sum of its proper divisors (1).

31553114641 is an equidigital number, since it uses as much as digits as its factorization.

31553114641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The spelling of 31553114641 in words is "thirty-one billion, five hundred fifty-three million, one hundred fourteen thousand, six hundred forty-one".