1377131303 has 4 divisors (see below), whose sum is σ = 1399707288. Its totient is φ = 1354555320.

The previous prime is 1377131299. The next prime is 1377131317. The reversal of 1377131303 is 3031317731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3031317731 = 13 ⋅233178287.

It is a cyclic number.

It is not a de Polignac number, because 1377131303 - 2² = 1377131299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377131363) 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, 11287901 + ... + 11288022.

It is an arithmetic number, because the mean of its divisors is an integer number (349926822).

Almost surely, 2^1377131303 is an apocalyptic number.

1377131303 is a deficient number, since it is larger than the sum of its proper divisors (22575985).

1377131303 is an equidigital number, since it uses as much as digits as its factorization.

1377131303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22575984.

The product of its (nonzero) digits is 3969, while the sum is 29.

The square root of 1377131303 is about 37109.7197914509. The cubic root of 1377131303 is about 1112.5642911631.

The spelling of 1377131303 in words is "one billion, three hundred seventy-seven million, one hundred thirty-one thousand, three hundred three".