1303434131 has 4 divisors (see below), whose sum is σ = 1303663200. Its totient is φ = 1303205064.

The previous prime is 1303434107. The next prime is 1303434133. The reversal of 1303434131 is 1314343031.

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 1303434131 - 2¹⁰ = 1303433107 is a prime.

It is a super-2 number, since 2×1303434131² = 3397881067711450322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303434097 and 1303434106.

It is not an unprimeable number, because it can be changed into a prime (1303434133) 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, 105776 + ... + 117453.

It is an arithmetic number, because the mean of its divisors is an integer number (325915800).

Almost surely, 2^1303434131 is an apocalyptic number.

1303434131 is a deficient number, since it is larger than the sum of its proper divisors (229069).

1303434131 is an equidigital number, since it uses as much as digits as its factorization.

1303434131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229068.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1303434131 is about 36103.1041740181. The cubic root of 1303434131 is about 1092.3530601616.

Adding to 1303434131 its reverse (1314343031), we get a palindrome (2617777162).

The spelling of 1303434131 in words is "one billion, three hundred three million, four hundred thirty-four thousand, one hundred thirty-one".