194255831 has 16 divisors (see below), whose sum is σ = 242673408. Its totient is φ = 151065600.

The previous prime is 194255813. The next prime is 194255849. The reversal of 194255831 is 138552491.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (194255813) and next prime (194255849).

It is not a de Polignac number, because 194255831 - 2¹⁴ = 194239447 is a prime.

It is a super-2 number, since 2×194255831² = 75470655755001122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194255231) 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, 41111 + ... + 45591.

It is an arithmetic number, because the mean of its divisors is an integer number (15167088).

Almost surely, 2^194255831 is an apocalyptic number.

194255831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

194255831 is a deficient number, since it is larger than the sum of its proper divisors (48417577).

194255831 is a wasteful number, since it uses less digits than its factorization.

194255831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062.

The product of its digits is 43200, while the sum is 38.

The square root of 194255831 is about 13937.5690491563. The cubic root of 194255831 is about 579.1503920160.

The spelling of 194255831 in words is "one hundred ninety-four million, two hundred fifty-five thousand, eight hundred thirty-one".