130312021241 has 2 divisors, whose sum is σ = 130312021242. Its totient is φ = 130312021240.

The previous prime is 130312021237. The next prime is 130312021309. The reversal of 130312021241 is 142120213031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110470481641 + 19841539600 = 332371^2 + 140860^2 .

It is a cyclic number.

It is not a de Polignac number, because 130312021241 - 2² = 130312021237 is a prime.

It is not a weakly prime, because it can be changed into another prime (130312029241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65156010620 + 65156010621.

It is an arithmetic number, because the mean of its divisors is an integer number (65156010621).

Almost surely, 2^130312021241 is an apocalyptic number.

It is an amenable number.

130312021241 is a deficient number, since it is larger than the sum of its proper divisors (1).

130312021241 is an equidigital number, since it uses as much as digits as its factorization.

130312021241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 130312021241 its reverse (142120213031), we get a palindrome (272432234272).

The spelling of 130312021241 in words is "one hundred thirty billion, three hundred twelve million, twenty-one thousand, two hundred forty-one".