1330313131 has 8 divisors (see below), whose sum is σ = 1534567680. Its totient is φ = 1129611048.

The previous prime is 1330313129. The next prime is 1330313141. The reversal of 1330313131 is 1313130331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1330313131 - 2¹ = 1330313129 is a prime.

It is a super-2 number, since 2×1330313131² = 3539466053022046322, 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 = 1330313099 and 1330313108.

It is not an unprimeable number, because it can be changed into a prime (1330313111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887311 + ... + 888808.

It is an arithmetic number, because the mean of its divisors is an integer number (191820960).

Almost surely, 2^1330313131 is an apocalyptic number.

1330313131 is a deficient number, since it is larger than the sum of its proper divisors (204254549).

1330313131 is a wasteful number, since it uses less digits than its factorization.

1330313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776233.

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

The square root of 1330313131 is about 36473.4578974903. The cubic root of 1330313131 is about 1099.8107473312.

Adding to 1330313131 its reverse (1313130331), we get a palindrome (2643443462).

It can be divided in two parts, 1330 and 313131, that multiplied together give a triangular number (416464230 = T₂₈₈₆₀).

The spelling of 1330313131 in words is "one billion, three hundred thirty million, three hundred thirteen thousand, one hundred thirty-one".