1310203031 has 2 divisors, whose sum is σ = 1310203032. Its totient is φ = 1310203030.

The previous prime is 1310203001. The next prime is 1310203033. The reversal of 1310203031 is 1303020131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1310203031 - 2³⁰ = 236461207 is a prime.

It is a super-2 number, since 2×1310203031² = 3433263964883173922, which contains 22 as substring.

Together with 1310203033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1310202997 and 1310203015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310203033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655101515 + 655101516.

It is an arithmetic number, because the mean of its divisors is an integer number (655101516).

Almost surely, 2^1310203031 is an apocalyptic number.

1310203031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310203031 is an equidigital number, since it uses as much as digits as its factorization.

1310203031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1310203031 is about 36196.7267995326. The cubic root of 1310203031 is about 1094.2407060029.

Adding to 1310203031 its reverse (1303020131), we get a palindrome (2613223162).

The spelling of 1310203031 in words is "one billion, three hundred ten million, two hundred three thousand, thirty-one".