319629013381 has 8 divisors (see below), whose sum is σ = 323469673560. Its totient is φ = 315793893888.

The previous prime is 319629013289. The next prime is 319629013411. The reversal of 319629013381 is 183310926913.

It can be written as a sum of positive squares in 4 ways, for example, as 127316944225 + 192312069156 = 356815^2 + 438534^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-319629013381 is a prime.

It is a super-2 number, since 2×319629013381² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319629014381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1269046 + ... + 1499911.

It is an arithmetic number, because the mean of its divisors is an integer number (40433709195).

Almost surely, 2^319629013381 is an apocalyptic number.

It is an amenable number.

319629013381 is a deficient number, since it is larger than the sum of its proper divisors (3840660179).

319629013381 is a wasteful number, since it uses less digits than its factorization.

319629013381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770343.

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 319629013381 in words is "three hundred nineteen billion, six hundred twenty-nine million, thirteen thousand, three hundred eighty-one".