1377420331 has 12 divisors (see below), whose sum is σ = 1614008808. Its totient is φ = 1172022432.

The previous prime is 1377420311. The next prime is 1377420347. The reversal of 1377420331 is 1330247731.

It is not a de Polignac number, because 1377420331 - 2⁷ = 1377420203 is a prime.

It is a super-2 number, since 2×1377420331² = 3794573536504299122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1377420293 and 1377420302.

It is not an unprimeable number, because it can be changed into a prime (1377420311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95881 + ... + 109306.

It is an arithmetic number, because the mean of its divisors is an integer number (134500734).

Almost surely, 2^1377420331 is an apocalyptic number.

1377420331 is a deficient number, since it is larger than the sum of its proper divisors (236588477).

1377420331 is a wasteful number, since it uses less digits than its factorization.

1377420331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205338 (or 205331 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 1377420331 is about 37113.6138229626. The cubic root of 1377420331 is about 1112.6421195536.

The spelling of 1377420331 in words is "one billion, three hundred seventy-seven million, four hundred twenty thousand, three hundred thirty-one".