214158231 has 24 divisors (see below), whose sum is σ = 374328864. Its totient is φ = 115176960.

The previous prime is 214158229. The next prime is 214158233. The reversal of 214158231 is 132851412.

It is an interprime number because it is at equal distance from previous prime (214158229) and next prime (214158233).

It is not a de Polignac number, because 214158231 - 2¹ = 214158229 is a prime.

It is a super-2 number, since 2×214158231² = 91727495810098722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214158195 and 214158204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214158233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98910 + ... + 101051.

It is an arithmetic number, because the mean of its divisors is an integer number (15597036).

Almost surely, 2^214158231 is an apocalyptic number.

214158231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

214158231 is a deficient number, since it is larger than the sum of its proper divisors (160170633).

214158231 is a wasteful number, since it uses less digits than its factorization.

214158231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199991 (or 199988 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 214158231 is about 14634.1460632317. The cubic root of 214158231 is about 598.2897882579.

It can be divided in two parts, 21415 and 8231, that added together give a triangular number (29646 = T₂₄₃).

The spelling of 214158231 in words is "two hundred fourteen million, one hundred fifty-eight thousand, two hundred thirty-one".