231212003101 has 4 divisors (see below), whose sum is σ = 241264698912. Its totient is φ = 221159307292.

The previous prime is 231212003081. The next prime is 231212003119. The reversal of 231212003101 is 101300212132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231212003101 - 2⁵ = 231212003069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231212003131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5026347871 + ... + 5026347916.

It is an arithmetic number, because the mean of its divisors is an integer number (60316174728).

Almost surely, 2^231212003101 is an apocalyptic number.

It is an amenable number.

231212003101 is a deficient number, since it is larger than the sum of its proper divisors (10052695811).

231212003101 is a wasteful number, since it uses less digits than its factorization.

231212003101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10052695810.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 231212003101 its reverse (101300212132), we get a palindrome (332512215233).

The spelling of 231212003101 in words is "two hundred thirty-one billion, two hundred twelve million, three thousand, one hundred one".