233121313002 has 32 divisors (see below), whose sum is σ = 469459670400. Its totient is φ = 77171774528.

The previous prime is 233121312989. The next prime is 233121313013. The reversal of 233121313002 is 200313121332.

It is a self number, because there is not a number n which added to its sum of digits gives 233121313002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006324 + ... + 1216112.

It is an arithmetic number, because the mean of its divisors is an integer number (14670614700).

Almost surely, 2^233121313002 is an apocalyptic number.

233121313002 is an abundant number, since it is smaller than the sum of its proper divisors (236338357398).

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

233121313002 is a wasteful number, since it uses less digits than its factorization.

233121313002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211070.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 233121313002 its reverse (200313121332), we get a palindrome (433434434334).

The spelling of 233121313002 in words is "two hundred thirty-three billion, one hundred twenty-one million, three hundred thirteen thousand, two".