231111213002 has 8 divisors (see below), whose sum is σ = 346692412416. Its totient is φ = 115547075532.

The previous prime is 231111212999. The next prime is 231111213043. The reversal of 231111213002 is 200312111132.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4231568 + ... + 4285835.

It is an arithmetic number, because the mean of its divisors is an integer number (43336551552).

Almost surely, 2^231111213002 is an apocalyptic number.

231111213002 is a deficient number, since it is larger than the sum of its proper divisors (115581199414).

231111213002 is a wasteful number, since it uses less digits than its factorization.

231111213002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8530972.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 231111213002 its reverse (200312111132), we get a palindrome (431423324134).

The spelling of 231111213002 in words is "two hundred thirty-one billion, one hundred eleven million, two hundred thirteen thousand, two".