196931431 has 8 divisors (see below), whose sum is σ = 204205680. Its totient is φ = 189689472.

The previous prime is 196931419. The next prime is 196931461. The reversal of 196931431 is 134139691.

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 196931431 - 2⁷ = 196931303 is a prime.

It is a super-2 number, since 2×196931431² = 77563977031415522, 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 (196931461) 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, 4716 + ... + 20398.

It is an arithmetic number, because the mean of its divisors is an integer number (25525710).

Almost surely, 2^196931431 is an apocalyptic number.

196931431 is a deficient number, since it is larger than the sum of its proper divisors (7274249).

196931431 is a wasteful number, since it uses less digits than its factorization.

196931431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16145.

The product of its digits is 17496, while the sum is 37.

The square root of 196931431 is about 14033.2259655433. The cubic root of 196931431 is about 581.7972698013.

The spelling of 196931431 in words is "one hundred ninety-six million, nine hundred thirty-one thousand, four hundred thirty-one".