1401931283 has 16 divisors (see below), whose sum is σ = 1491640320. Its totient is φ = 1313879616.

The previous prime is 1401931247. The next prime is 1401931291. The reversal of 1401931283 is 3821391041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401931283 is a prime.

It is a super-2 number, since 2×1401931283² = 3930822644508052178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401931243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1174535 + ... + 1175727.

It is an arithmetic number, because the mean of its divisors is an integer number (93227520).

Almost surely, 2^1401931283 is an apocalyptic number.

1401931283 is a deficient number, since it is larger than the sum of its proper divisors (89709037).

1401931283 is a wasteful number, since it uses less digits than its factorization.

1401931283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1401931283 is about 37442.3728281208. The cubic root of 1401931283 is about 1119.2031116608.

The spelling of 1401931283 in words is "one billion, four hundred one million, nine hundred thirty-one thousand, two hundred eighty-three".