838351131 has 4 divisors (see below), whose sum is σ = 1117801512. Its totient is φ = 558900752.

The previous prime is 838351103. The next prime is 838351133. The reversal of 838351131 is 131153838.

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 838351131 - 2⁹ = 838350619 is a prime.

It is a super-2 number, since 2×838351131² = 1405665237697958322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 838351092 and 838351101.

It is not an unprimeable number, because it can be changed into a prime (838351133) 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, 139725186 + ... + 139725191.

It is an arithmetic number, because the mean of its divisors is an integer number (279450378).

Almost surely, 2^838351131 is an apocalyptic number.

838351131 is a deficient number, since it is larger than the sum of its proper divisors (279450381).

838351131 is a wasteful number, since it uses less digits than its factorization.

838351131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279450380.

The product of its digits is 8640, while the sum is 33.

The square root of 838351131 is about 28954.2938266503. The cubic root of 838351131 is about 942.9210218789.

The spelling of 838351131 in words is "eight hundred thirty-eight million, three hundred fifty-one thousand, one hundred thirty-one".