231122033131 has 8 divisors (see below), whose sum is σ = 252136987200. Its totient is φ = 210107722440.

The previous prime is 231122033111. The next prime is 231122033161. The reversal of 231122033131 is 131330221132.

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

It is not a de Polignac number, because 231122033131 - 2²¹ = 231119935979 is a prime.

It is a super-2 number, since 2×231122033131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231122033101) 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, 887260 + ... + 1117798.

It is an arithmetic number, because the mean of its divisors is an integer number (31517123400).

Almost surely, 2^231122033131 is an apocalyptic number.

231122033131 is a deficient number, since it is larger than the sum of its proper divisors (21014954069).

231122033131 is a wasteful number, since it uses less digits than its factorization.

231122033131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321689.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 231122033131 its reverse (131330221132), we get a palindrome (362452254263).

The spelling of 231122033131 in words is "two hundred thirty-one billion, one hundred twenty-two million, thirty-three thousand, one hundred thirty-one".