231312223111234 has 8 divisors (see below), whose sum is σ = 348016577370768. Its totient is φ = 115306697320980.

The previous prime is 231312223111187. The next prime is 231312223111243. The reversal of 231312223111234 is 432111322213132.

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

It is a super-2 number, since 2×231312223111234² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231312223111196 and 231312223111205.

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, 174707116492 + ... + 174707117815.

It is an arithmetic number, because the mean of its divisors is an integer number (43502072171346).

Almost surely, 2^{231312223111234} is an apocalyptic number.

231312223111234 is a deficient number, since it is larger than the sum of its proper divisors (116704354259534).

231312223111234 is a wasteful number, since it uses less digits than its factorization.

231312223111234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349414234640.

The product of its digits is 10368, while the sum is 31.

Adding to 231312223111234 its reverse (432111322213132), we get a palindrome (663423545324366).

The spelling of 231312223111234 in words is "two hundred thirty-one trillion, three hundred twelve billion, two hundred twenty-three million, one hundred eleven thousand, two hundred thirty-four".