1303431003031 has 12 divisors (see below), whose sum is σ = 1384706425888. Its totient is φ = 1226676310272.

The previous prime is 1303431002977. The next prime is 1303431003131. The reversal of 1303431003031 is 1303001343031.

It is not a de Polignac number, because 1303431003031 - 2¹⁵ = 1303430970263 is a prime.

It is a super-2 number, since 2×1303431003031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303431002993 and 1303431003011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303431003131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4401715 + ... + 4688491.

Almost surely, 2^{1303431003031} is an apocalyptic number.

1303431003031 is a deficient number, since it is larger than the sum of its proper divisors (81275422857).

1303431003031 is a wasteful number, since it uses less digits than its factorization.

1303431003031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302538 (or 302521 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1303431003031 its reverse (1303001343031), we get a palindrome (2606432346062).

The spelling of 1303431003031 in words is "one trillion, three hundred three billion, four hundred thirty-one million, three thousand, thirty-one".