231887349 has 48 divisors (see below), whose sum is σ = 356638464. Its totient is φ = 145017600.

The previous prime is 231887339. The next prime is 231887351. The reversal of 231887349 is 943788132.

It is not a de Polignac number, because 231887349 - 2⁴ = 231887333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231887329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1388464 + ... + 1388630.

It is an arithmetic number, because the mean of its divisors is an integer number (7429968).

Almost surely, 2^231887349 is an apocalyptic number.

It is an amenable number.

231887349 is a deficient number, since it is larger than the sum of its proper divisors (124751115).

231887349 is a wasteful number, since it uses less digits than its factorization.

231887349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 335 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 231887349 is about 15227.8478124783. The cubic root of 231887349 is about 614.3638951384.

The spelling of 231887349 in words is "two hundred thirty-one million, eight hundred eighty-seven thousand, three hundred forty-nine".