231222010311131 has 8 divisors (see below), whose sum is σ = 264276152857344. Its totient is φ = 198173474461800.

The previous prime is 231222010311113. The next prime is 231222010311133. The reversal of 231222010311131 is 131113010222132.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 231222010311131 - 2¹⁰ = 231222010310107 is a prime.

It is a super-2 number, since 2×231222010311131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231222010311097 and 231222010311106.

It is not an unprimeable number, because it can be changed into a prime (231222010311133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1401585845 + ... + 1401750806.

It is an arithmetic number, because the mean of its divisors is an integer number (33034519107168).

Almost surely, 2^{231222010311131} is an apocalyptic number.

231222010311131 is a deficient number, since it is larger than the sum of its proper divisors (33054142546213).

231222010311131 is a wasteful number, since it uses less digits than its factorization.

231222010311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803348441.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 231222010311131 its reverse (131113010222132), we get a palindrome (362335020533263).

The spelling of 231222010311131 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, ten million, three hundred eleven thousand, one hundred thirty-one".