1310103031 has 4 divisors (see below), whose sum is σ = 1310199112. Its totient is φ = 1310006952.

The previous prime is 1310103019. The next prime is 1310103037. The reversal of 1310103031 is 1303010131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1310103031 - 2⁵ = 1310102999 is a prime.

It is a super-2 number, since 2×1310103031² = 3432739903670773922, 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 (1310103037) 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, 23361 + ... + 56266.

It is an arithmetic number, because the mean of its divisors is an integer number (327549778).

Almost surely, 2^1310103031 is an apocalyptic number.

1310103031 is a deficient number, since it is larger than the sum of its proper divisors (96081).

1310103031 is an equidigital number, since it uses as much as digits as its factorization.

1310103031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96080.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 1310103031 is about 36195.3454328039. The cubic root of 1310103031 is about 1094.2128663343.

Adding to 1310103031 its reverse (1303010131), we get a palindrome (2613113162).

The spelling of 1310103031 in words is "one billion, three hundred ten million, one hundred three thousand, thirty-one".