3315944381 has 4 divisors (see below), whose sum is σ = 3318200064. Its totient is φ = 3313688700.

The previous prime is 3315944377. The next prime is 3315944383. The reversal of 3315944381 is 1834495133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3315944381 - 2² = 3315944377 is a prime.

It is a super-2 number, since 2×3315944381² = 21990974275770946322, which 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 (3315944383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125635 + ... + 1128576.

It is an arithmetic number, because the mean of its divisors is an integer number (829550016).

Almost surely, 2^3315944381 is an apocalyptic number.

It is an amenable number.

3315944381 is a deficient number, since it is larger than the sum of its proper divisors (2255683).

3315944381 is a wasteful number, since it uses less digits than its factorization.

3315944381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255682.

The product of its digits is 155520, while the sum is 41.

The square root of 3315944381 is about 57584.2372615979. The cubic root of 3315944381 is about 1491.1994877061.

The spelling of 3315944381 in words is "three billion, three hundred fifteen million, nine hundred forty-four thousand, three hundred eighty-one".