133015510331 has 4 divisors (see below), whose sum is σ = 145107829464. Its totient is φ = 120923191200.

The previous prime is 133015510291. The next prime is 133015510333.

133015510331 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133015510331 - 2¹⁸ = 133015248187 is a prime.

It is a super-2 number, since 2×133015510331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133015510331.

It is not an unprimeable number, because it can be changed into a prime (133015510333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6046159550 + ... + 6046159571.

It is an arithmetic number, because the mean of its divisors is an integer number (36276957366).

Almost surely, 2^133015510331 is an apocalyptic number.

133015510331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133015510331 is a deficient number, since it is larger than the sum of its proper divisors (12092319133).

133015510331 is a wasteful number, since it uses less digits than its factorization.

133015510331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12092319132.

The product of its (nonzero) digits is 2025, while the sum is 26.

It can be divided in two parts, 133015 and 510331, that added together give a palindrome (643346).

The spelling of 133015510331 in words is "one hundred thirty-three billion, fifteen million, five hundred ten thousand, three hundred thirty-one".