1530313131 has 8 divisors (see below), whose sum is σ = 2046979584. Its totient is φ = 1016927720.

The previous prime is 1530313097. The next prime is 1530313177. The reversal of 1530313131 is 1313130351.

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 1530313131 - 2⁷ = 1530313003 is a prime.

It is a super-2 number, since 2×1530313131² = 4683716557822046322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1530313098 and 1530313107.

It is not an unprimeable number, because it can be changed into a prime (1530313331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819171 + ... + 821036.

It is an arithmetic number, because the mean of its divisors is an integer number (255872448).

Almost surely, 2^1530313131 is an apocalyptic number.

1530313131 is a deficient number, since it is larger than the sum of its proper divisors (516666453).

1530313131 is a wasteful number, since it uses less digits than its factorization.

1530313131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640521.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 1530313131 is about 39119.2169016712. The cubic root of 1530313131 is about 1152.3739570391.

Adding to 1530313131 its reverse (1313130351), we get a palindrome (2843443482).

The spelling of 1530313131 in words is "one billion, five hundred thirty million, three hundred thirteen thousand, one hundred thirty-one".