385274131 has 8 divisors (see below), whose sum is σ = 425363904. Its totient is φ = 346028520.

The previous prime is 385274129. The next prime is 385274137. The reversal of 385274131 is 131472583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 385274131 - 2¹ = 385274129 is a prime.

It is a super-2 number, since 2×385274131² = 296872312035610322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385274137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210081 + ... + 211906.

It is an arithmetic number, because the mean of its divisors is an integer number (53170488).

Almost surely, 2^385274131 is an apocalyptic number.

385274131 is a deficient number, since it is larger than the sum of its proper divisors (40089773).

385274131 is a wasteful number, since it uses less digits than its factorization.

385274131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422081.

The product of its digits is 20160, while the sum is 34.

The square root of 385274131 is about 19628.4011320331. The cubic root of 385274131 is about 727.6512557730.

The spelling of 385274131 in words is "three hundred eighty-five million, two hundred seventy-four thousand, one hundred thirty-one".