130220031157 has 2 divisors, whose sum is σ = 130220031158. Its totient is φ = 130220031156.

The previous prime is 130220031119. The next prime is 130220031233. The reversal of 130220031157 is 751130022031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72946447396 + 57273583761 = 270086^2 + 239319^2 .

It is a cyclic number.

It is not a de Polignac number, because 130220031157 - 2¹⁹ = 130219506869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130220031257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65110015578 + 65110015579.

It is an arithmetic number, because the mean of its divisors is an integer number (65110015579).

Almost surely, 2^130220031157 is an apocalyptic number.

It is an amenable number.

130220031157 is a deficient number, since it is larger than the sum of its proper divisors (1).

130220031157 is an equidigital number, since it uses as much as digits as its factorization.

130220031157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

Adding to 130220031157 its reverse (751130022031), we get a palindrome (881350053188).

The spelling of 130220031157 in words is "one hundred thirty billion, two hundred twenty million, thirty-one thousand, one hundred fifty-seven".