2348931381 has 4 divisors (see below), whose sum is σ = 3131908512. Its totient is φ = 1565954252.

The previous prime is 2348931371. The next prime is 2348931461. The reversal of 2348931381 is 1831398432.

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 2348931381 - 2⁶ = 2348931317 is a prime.

It is a super-2 number, since 2×2348931381² = 11034957265293134322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2348931311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391488561 + ... + 391488566.

It is an arithmetic number, because the mean of its divisors is an integer number (782977128).

Almost surely, 2^2348931381 is an apocalyptic number.

It is an amenable number.

2348931381 is a deficient number, since it is larger than the sum of its proper divisors (782977131).

2348931381 is an equidigital number, since it uses as much as digits as its factorization.

2348931381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782977130.

The product of its digits is 124416, while the sum is 42.

The square root of 2348931381 is about 48465.7753574623. The cubic root of 2348931381 is about 1329.3013424035.

The spelling of 2348931381 in words is "two billion, three hundred forty-eight million, nine hundred thirty-one thousand, three hundred eighty-one".