1356340031 has 2 divisors, whose sum is σ = 1356340032. Its totient is φ = 1356340030.

The previous prime is 1356340001. The next prime is 1356340033. The reversal of 1356340031 is 1300436531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1356340031 is a prime.

It is a super-2 number, since 2×1356340031² = 3679316559386161922, which contains 22 as substring.

Together with 1356340033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1356340033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678170015 + 678170016.

It is an arithmetic number, because the mean of its divisors is an integer number (678170016).

Almost surely, 2^1356340031 is an apocalyptic number.

1356340031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356340031 is an equidigital number, since it uses as much as digits as its factorization.

1356340031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 1356340031 is about 36828.5219768592. The cubic root of 1356340031 is about 1106.9368870163.

Adding to 1356340031 its reverse (1300436531), we get a palindrome (2656776562).

The spelling of 1356340031 in words is "one billion, three hundred fifty-six million, three hundred forty thousand, thirty-one".