1303130231 has 4 divisors (see below), whose sum is σ = 1403371032. Its totient is φ = 1202889432.

The previous prime is 1303130221. The next prime is 1303130233. The reversal of 1303130231 is 1320313031.

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 1303130231 - 2¹⁰ = 1303129207 is a prime.

It is a super-2 number, since 2×1303130231² = 3396296797892226722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303130233) 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, 50120381 + ... + 50120406.

It is an arithmetic number, because the mean of its divisors is an integer number (350842758).

Almost surely, 2^1303130231 is an apocalyptic number.

1303130231 is a deficient number, since it is larger than the sum of its proper divisors (100240801).

1303130231 is a wasteful number, since it uses less digits than its factorization.

1303130231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100240800.

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

The square root of 1303130231 is about 36098.8951492979. The cubic root of 1303130231 is about 1092.2681583140.

Adding to 1303130231 its reverse (1320313031), we get a palindrome (2623443262).

The spelling of 1303130231 in words is "one billion, three hundred three million, one hundred thirty thousand, two hundred thirty-one".