231332213002 has 16 divisors (see below), whose sum is σ = 380954732832. Its totient is φ = 104481252720.

The previous prime is 231332212997. The next prime is 231332213009. The reversal of 231332213002 is 200312233132.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (231332213009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33484128 + ... + 33491035.

It is an arithmetic number, because the mean of its divisors is an integer number (23809670802).

Almost surely, 2^231332213002 is an apocalyptic number.

231332213002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231332213002 is a deficient number, since it is larger than the sum of its proper divisors (149622519830).

231332213002 is a wasteful number, since it uses less digits than its factorization.

231332213002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66975333.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 231332213002 its reverse (200312233132), we get a palindrome (431644446134).

The spelling of 231332213002 in words is "two hundred thirty-one billion, three hundred thirty-two million, two hundred thirteen thousand, two".