231973350 has 144 divisors (see below), whose sum is σ = 688112208. Its totient is φ = 51528960.

The previous prime is 231973289. The next prime is 231973397. The reversal of 231973350 is 53379132.

It is a super-2 number, since 2×231973350² = 107623270220445000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 271524 + ... + 272376.

It is an arithmetic number, because the mean of its divisors is an integer number (4778557).

Almost surely, 2^231973350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231973350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344056104).

231973350 is an abundant number, since it is smaller than the sum of its proper divisors (456138858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231973350 is a wasteful number, since it uses less digits than its factorization.

231973350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 33.

The square root of 231973350 is about 15230.6713574944. The cubic root of 231973350 is about 614.4398362927.

The spelling of 231973350 in words is "two hundred thirty-one million, nine hundred seventy-three thousand, three hundred fifty".