231490601 has 4 divisors (see below), whose sum is σ = 234751104. Its totient is φ = 228230100.

The previous prime is 231490577. The next prime is 231490631. The reversal of 231490601 is 106094132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231490601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (231490631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1630145 + ... + 1630286.

It is an arithmetic number, because the mean of its divisors is an integer number (58687776).

Almost surely, 2^231490601 is an apocalyptic number.

It is an amenable number.

231490601 is a deficient number, since it is larger than the sum of its proper divisors (3260503).

231490601 is an equidigital number, since it uses as much as digits as its factorization.

231490601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260502.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 231490601 is about 15214.8151812633. The cubic root of 231490601 is about 614.0133128499.

The spelling of 231490601 in words is "two hundred thirty-one million, four hundred ninety thousand, six hundred one".