133015132313 has 6 divisors (see below), whose sum is σ = 154731888666. Its totient is φ = 114012970512.

The previous prime is 133015132307. The next prime is 133015132319. The reversal of 133015132313 is 313231510331.

It is an interprime number because it is at equal distance from previous prime (133015132307) and next prime (133015132319).

It can be written as a sum of positive squares in only one way, i.e., 108628249744 + 24386882569 = 329588^2 + 156163^2 .

It is not a de Polignac number, because 133015132313 - 2⁴ = 133015132297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133015132319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1357297220 + ... + 1357297317.

It is an arithmetic number, because the mean of its divisors is an integer number (25788648111).

Almost surely, 2^133015132313 is an apocalyptic number.

It is an amenable number.

133015132313 is a deficient number, since it is larger than the sum of its proper divisors (21716756353).

133015132313 is an equidigital number, since it uses as much as digits as its factorization.

133015132313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714594551 (or 2714594544 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 26.

Adding to 133015132313 its reverse (313231510331), we get a palindrome (446246642644).

The spelling of 133015132313 in words is "one hundred thirty-three billion, fifteen million, one hundred thirty-two thousand, three hundred thirteen".