31130301089 has 2 divisors, whose sum is σ = 31130301090. Its totient is φ = 31130301088.

The previous prime is 31130301067. The next prime is 31130301107. The reversal of 31130301089 is 98010303113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23197726864 + 7932574225 = 152308^2 + 89065^2 .

It is a cyclic number.

It is not a de Polignac number, because 31130301089 - 2¹⁶ = 31130235553 is a prime.

It is not a weakly prime, because it can be changed into another prime (31130381089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15565150544 + 15565150545.

It is an arithmetic number, because the mean of its divisors is an integer number (15565150545).

Almost surely, 2^31130301089 is an apocalyptic number.

It is an amenable number.

31130301089 is a deficient number, since it is larger than the sum of its proper divisors (1).

31130301089 is an equidigital number, since it uses as much as digits as its factorization.

31130301089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 31130301089 in words is "thirty-one billion, one hundred thirty million, three hundred one thousand, eighty-nine".