1203130331 has 32 divisors (see below), whose sum is σ = 1391470080. Its totient is φ = 1033961760.

The previous prime is 1203130321. The next prime is 1203130333. The reversal of 1203130331 is 1330313021.

It is not a de Polignac number, because 1203130331 - 2¹⁰ = 1203129307 is a prime.

It is a super-2 number, since 2×1203130331² = 2895045186744339122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1203130333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9184136 + ... + 9184266.

It is an arithmetic number, because the mean of its divisors is an integer number (43483440).

Almost surely, 2^1203130331 is an apocalyptic number.

1203130331 is a deficient number, since it is larger than the sum of its proper divisors (188339749).

1203130331 is a wasteful number, since it uses less digits than its factorization.

1203130331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 266 counting only the distinct ones).

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

The square root of 1203130331 is about 34686.1691600557. The cubic root of 1203130331 is about 1063.5817871706.

Adding to 1203130331 its reverse (1330313021), we get a palindrome (2533443352).

The spelling of 1203130331 in words is "one billion, two hundred three million, one hundred thirty thousand, three hundred thirty-one".