3121230319 has 4 divisors (see below), whose sum is σ = 3221915200. Its totient is φ = 3020545440.

The previous prime is 3121230317. The next prime is 3121230347. The reversal of 3121230319 is 9130321213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3121230319 - 2¹ = 3121230317 is a prime.

It is a super-2 number, since 2×3121230319² = 19484157408489683522, 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 = 3121230293 and 3121230302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121230313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50342394 + ... + 50342455.

It is an arithmetic number, because the mean of its divisors is an integer number (805478800).

Almost surely, 2^3121230319 is an apocalyptic number.

3121230319 is a deficient number, since it is larger than the sum of its proper divisors (100684881).

3121230319 is a wasteful number, since it uses less digits than its factorization.

3121230319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100684880.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 3121230319 is about 55867.9722112768. The cubic root of 3121230319 is about 1461.4207598121.

The spelling of 3121230319 in words is "three billion, one hundred twenty-one million, two hundred thirty thousand, three hundred nineteen".