1303231130 has 16 divisors (see below), whose sum is σ = 2350161864. Its totient is φ = 520326720.

The previous prime is 1303231121. The next prime is 1303231177. The reversal of 1303231130 is 311323031.

It can be written as a sum of positive squares in 4 ways, for example, as 840594049 + 462637081 = 28993^2 + 21509^2 .

It is a super-2 number, since 2×1303231130² = 3396822756402153800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1303231099 and 1303231108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115037 + ... + 125856.

Almost surely, 2^1303231130 is an apocalyptic number.

1303231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1303231130 is a deficient number, since it is larger than the sum of its proper divisors (1046930734).

1303231130 is a wasteful number, since it uses less digits than its factorization.

1303231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241441.

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

The square root of 1303231130 is about 36100.2926580935. The cubic root of 1303231130 is about 1092.2963483644.

Adding to 1303231130 its reverse (311323031), we get a palindrome (1614554161).

The spelling of 1303231130 in words is "one billion, three hundred three million, two hundred thirty-one thousand, one hundred thirty".