147312013 has 2 divisors, whose sum is σ = 147312014. Its totient is φ = 147312012.

The previous prime is 147311981. The next prime is 147312017. The reversal of 147312013 is 310213741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136002244 + 11309769 = 11662^2 + 3363^2 .

It is a cyclic number.

It is not a de Polignac number, because 147312013 - 2⁵ = 147311981 is a prime.

It is a super-2 number, since 2×147312013² = 43401658348224338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147312017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73656006 + 73656007.

It is an arithmetic number, because the mean of its divisors is an integer number (73656007).

Almost surely, 2^147312013 is an apocalyptic number.

It is an amenable number.

147312013 is a deficient number, since it is larger than the sum of its proper divisors (1).

147312013 is an equidigital number, since it uses as much as digits as its factorization.

147312013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 147312013 is about 12137.2160316936. The cubic root of 147312013 is about 528.1363439693.

Adding to 147312013 its reverse (310213741), we get a palindrome (457525754).

The spelling of 147312013 in words is "one hundred forty-seven million, three hundred twelve thousand, thirteen".