231123131212102 has 8 divisors (see below), whose sum is σ = 346726410800112. Its totient is φ = 115547660945400.

The previous prime is 231123131212097. The next prime is 231123131212111. The reversal of 231123131212102 is 201212131321132.

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

It is a super-2 number, since 2×231123131212102² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 6952309549 + ... + 6952342792.

It is an arithmetic number, because the mean of its divisors is an integer number (43340801350014).

Almost surely, 2^{231123131212102} is an apocalyptic number.

231123131212102 is a deficient number, since it is larger than the sum of its proper divisors (115603279588010).

231123131212102 is a wasteful number, since it uses less digits than its factorization.

231123131212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13904660654.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 231123131212102 its reverse (201212131321132), we get a palindrome (432335262533234).

The spelling of 231123131212102 in words is "two hundred thirty-one trillion, one hundred twenty-three billion, one hundred thirty-one million, two hundred twelve thousand, one hundred two".