231770450 has 18 divisors (see below), whose sum is σ = 431293359. Its totient is φ = 92665120.

The previous prime is 231770447. The next prime is 231770501. The reversal of 231770450 is 54077132.

It can be written as a sum of positive squares in 5 ways, for example, as 4092529 + 227677921 = 2023^2 + 15089^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10765.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 106574 + ... + 108726.

Almost surely, 2^231770450 is an apocalyptic number.

231770450 is a deficient number, since it is larger than the sum of its proper divisors (199522909).

231770450 is an frugal number, since it uses more digits than its factorization.

231770450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318 (or 2160 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 231770450 is about 15224.0089989464. The cubic root of 231770450 is about 614.2606401210.

The spelling of 231770450 in words is "two hundred thirty-one million, seven hundred seventy thousand, four hundred fifty".