130631423537 has 2 divisors, whose sum is σ = 130631423538. Its totient is φ = 130631423536.

The previous prime is 130631423491. The next prime is 130631423627. The reversal of 130631423537 is 735324136031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96860378176 + 33771045361 = 311224^2 + 183769^2 .

It is a cyclic number.

It is not a de Polignac number, because 130631423537 - 2¹⁶ = 130631358001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130631423537.

It is not a weakly prime, because it can be changed into another prime (130631423437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65315711768 + 65315711769.

It is an arithmetic number, because the mean of its divisors is an integer number (65315711769).

Almost surely, 2^130631423537 is an apocalyptic number.

It is an amenable number.

130631423537 is a deficient number, since it is larger than the sum of its proper divisors (1).

130631423537 is an equidigital number, since it uses as much as digits as its factorization.

130631423537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 38.

Adding to 130631423537 its reverse (735324136031), we get a palindrome (865955559568).

The spelling of 130631423537 in words is "one hundred thirty billion, six hundred thirty-one million, four hundred twenty-three thousand, five hundred thirty-seven".