319130040 has 64 divisors (see below), whose sum is σ = 973107360. Its totient is φ = 83704320.

The previous prime is 319130029. The next prime is 319130051. The reversal of 319130040 is 40031913.

It is an interprime number because it is at equal distance from previous prime (319130029) and next prime (319130051).

It is a junction number, because it is equal to n+sod(n) for n = 319129989 and 319130016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14479 + ... + 29118.

Almost surely, 2^319130040 is an apocalyptic number.

319130040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

319130040 is an abundant number, since it is smaller than the sum of its proper divisors (653977320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

319130040 is a wasteful number, since it uses less digits than its factorization.

319130040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43672 (or 43668 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 319130040 is about 17864.2111496702. The cubic root of 319130040 is about 683.3699783375.

Adding to 319130040 its reverse (40031913), we get a palindrome (359161953).

The spelling of 319130040 in words is "three hundred nineteen million, one hundred thirty thousand, forty".