1310133331 has 16 divisors (see below), whose sum is σ = 1451175264. Its totient is φ = 1175134464.

The previous prime is 1310133299. The next prime is 1310133371. The reversal of 1310133331 is 1333310131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1310133331 - 2⁵ = 1310133299 is a prime.

It is a super-2 number, since 2×1310133331² = 3432898689994311122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310133299 and 1310133308.

It is not an unprimeable number, because it can be changed into a prime (1310133371) 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, 104175 + ... + 116071.

It is an arithmetic number, because the mean of its divisors is an integer number (90698454).

Almost surely, 2^1310133331 is an apocalyptic number.

1310133331 is a deficient number, since it is larger than the sum of its proper divisors (141041933).

1310133331 is a wasteful number, since it uses less digits than its factorization.

1310133331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12150.

The product of its (nonzero) digits is 243, while the sum is 19.

The square root of 1310133331 is about 36195.7639924895. The cubic root of 1310133331 is about 1094.2213019034.

Adding to 1310133331 its reverse (1333310131), we get a palindrome (2643443462).

The spelling of 1310133331 in words is "one billion, three hundred ten million, one hundred thirty-three thousand, three hundred thirty-one".