1373313511 has 2 divisors, whose sum is σ = 1373313512. Its totient is φ = 1373313510.

The previous prime is 1373313437. The next prime is 1373313551. The reversal of 1373313511 is 1153133731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1373313511 - 2¹⁵ = 1373280743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1373313511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1373313551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686656755 + 686656756.

It is an arithmetic number, because the mean of its divisors is an integer number (686656756).

Almost surely, 2^1373313511 is an apocalyptic number.

1373313511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373313511 is an equidigital number, since it uses as much as digits as its factorization.

1373313511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2835, while the sum is 28.

The square root of 1373313511 is about 37058.2448451084. The cubic root of 1373313511 is about 1111.5352268034.

The spelling of 1373313511 in words is "one billion, three hundred seventy-three million, three hundred thirteen thousand, five hundred eleven".