3678238131 has 16 divisors (see below), whose sum is σ = 5120563200. Its totient is φ = 2344161600.

The previous prime is 3678238127. The next prime is 3678238147. The reversal of 3678238131 is 1318328763.

It is not a de Polignac number, because 3678238131 - 2² = 3678238127 is a prime.

It is a super-2 number, since 2×3678238131² = 27058871496684746322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3678238111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109470 + ... + 139068.

It is an arithmetic number, because the mean of its divisors is an integer number (320035200).

Almost surely, 2^3678238131 is an apocalyptic number.

3678238131 is a deficient number, since it is larger than the sum of its proper divisors (1442325069).

3678238131 is a wasteful number, since it uses less digits than its factorization.

3678238131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31426.

The product of its digits is 145152, while the sum is 42.

The square root of 3678238131 is about 60648.4800386621. The cubic root of 3678238131 is about 1543.6420980143.

The spelling of 3678238131 in words is "three billion, six hundred seventy-eight million, two hundred thirty-eight thousand, one hundred thirty-one".