1631314323 has 10 divisors (see below), whose sum is σ = 2436901764. Its totient is φ = 1087542828.

The previous prime is 1631314259. The next prime is 1631314343. The reversal of 1631314323 is 3234131361.

1631314323 is a `hidden beast` number, since 1 + 631 + 3 + 1 + 4 + 3 + 23 = 666.

1631314323 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1631314323 - 2⁶ = 1631314259 is a prime.

It is a super-2 number, since 2×1631314323² = 5322372840849896658, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1631314343) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10069761 + ... + 10069922.

Almost surely, 2^1631314323 is an apocalyptic number.

1631314323 is a deficient number, since it is larger than the sum of its proper divisors (805587441).

1631314323 is an equidigital number, since it uses as much as digits as its factorization.

1631314323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20139695 (or 20139686 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 1631314323 is about 40389.5323444082. The cubic root of 1631314323 is about 1177.1881538584.

Adding to 1631314323 its reverse (3234131361), we get a palindrome (4865445684).

The spelling of 1631314323 in words is "one billion, six hundred thirty-one million, three hundred fourteen thousand, three hundred twenty-three".