1230330131 has 4 divisors (see below), whose sum is σ = 1231345632. Its totient is φ = 1229314632.

The previous prime is 1230330041. The next prime is 1230330149. The reversal of 1230330131 is 1310330321.

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 1230330131 - 2¹⁸ = 1230067987 is a prime.

It is a super-2 number, since 2×1230330131² = 3027424462492954322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230330151) 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, 505931 + ... + 508356.

It is an arithmetic number, because the mean of its divisors is an integer number (307836408).

Almost surely, 2^1230330131 is an apocalyptic number.

1230330131 is a deficient number, since it is larger than the sum of its proper divisors (1015501).

1230330131 is a wasteful number, since it uses less digits than its factorization.

1230330131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015500.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1230330131 is about 35076.0620794296. The cubic root of 1230330131 is about 1071.5371191045.

Adding to 1230330131 its reverse (1310330321), we get a palindrome (2540660452).

The spelling of 1230330131 in words is "one billion, two hundred thirty million, three hundred thirty thousand, one hundred thirty-one".