1280130331 has 16 divisors (see below), whose sum is σ = 1339299360. Its totient is φ = 1222574080.

The previous prime is 1280130289. The next prime is 1280130349. The reversal of 1280130331 is 1330310821.

It is not a de Polignac number, because 1280130331 - 2⁹ = 1280129819 is a prime.

It is a super-2 number, since 2×1280130331² = 3277467328692339122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1280130431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382875 + ... + 386203.

It is an arithmetic number, because the mean of its divisors is an integer number (83706210).

Almost surely, 2^1280130331 is an apocalyptic number.

1280130331 is a deficient number, since it is larger than the sum of its proper divisors (59169029).

1280130331 is a wasteful number, since it uses less digits than its factorization.

1280130331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1280130331 is about 35778.9090247313. The cubic root of 1280130331 is about 1085.8038967167.

The spelling of 1280130331 in words is "one billion, two hundred eighty million, one hundred thirty thousand, three hundred thirty-one".