1310400083 has 2 divisors, whose sum is σ = 1310400084. Its totient is φ = 1310400082.

The previous prime is 1310400079. The next prime is 1310400107. The reversal of 1310400083 is 3800040131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1310400083 - 2² = 1310400079 is a prime.

It is not a weakly prime, because it can be changed into another prime (1310400283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655200041 + 655200042.

It is an arithmetic number, because the mean of its divisors is an integer number (655200042).

Almost surely, 2^1310400083 is an apocalyptic number.

1310400083 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310400083 is an equidigital number, since it uses as much as digits as its factorization.

1310400083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1310400083 is about 36199.4486560224. The cubic root of 1310400083 is about 1094.2955604811.

The spelling of 1310400083 in words is "one billion, three hundred ten million, four hundred thousand, eighty-three".