231121030002 has 16 divisors (see below), whose sum is σ = 489432769632. Its totient is φ = 72508558400.

The previous prime is 231121029973. The next prime is 231121030027. The reversal of 231121030002 is 200030121132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132946124 + ... + 1132946327.

It is an arithmetic number, because the mean of its divisors is an integer number (30589548102).

Almost surely, 2^231121030002 is an apocalyptic number.

231121030002 is an abundant number, since it is smaller than the sum of its proper divisors (258311739630).

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

231121030002 is a wasteful number, since it uses less digits than its factorization.

231121030002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265892473.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 231121030002 its reverse (200030121132), we get a palindrome (431151151134).

The spelling of 231121030002 in words is "two hundred thirty-one billion, one hundred twenty-one million, thirty thousand, two".