231133002 has 8 divisors (see below), whose sum is σ = 462266016. Its totient is φ = 77044332.

The previous prime is 231132977. The next prime is 231133009. The reversal of 231133002 is 200331132.

It is a sphenic number, since it is the product of 3 distinct primes.

231133002 is an admirable number.

It is a super-2 number, since 2×231133002² = 106844929227064008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231133009) 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, 19261078 + ... + 19261089.

It is an arithmetic number, because the mean of its divisors is an integer number (57783252).

Almost surely, 2^231133002 is an apocalyptic number.

231133002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231133002 is a wasteful number, since it uses less digits than its factorization.

231133002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38522172.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 231133002 is about 15203.0589685103. The cubic root of 231133002 is about 613.6969807763.

Adding to 231133002 its reverse (200331132), we get a palindrome (431464134).

The spelling of 231133002 in words is "two hundred thirty-one million, one hundred thirty-three thousand, two".