222331032131 has 4 divisors (see below), whose sum is σ = 239433419232. Its totient is φ = 205228645032.

The previous prime is 222331032107. The next prime is 222331032169. The reversal of 222331032131 is 131230133222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131230133222 = 2 ⋅65615066611.

It is a cyclic number.

It is not a de Polignac number, because 222331032131 - 2⁶ = 222331032067 is a prime.

It is a super-2 number, since 2×222331032131² (a number of 23 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 = 222331032097 and 222331032106.

It is not an unprimeable number, because it can be changed into a prime (222331032101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8551193531 + ... + 8551193556.

It is an arithmetic number, because the mean of its divisors is an integer number (59858354808).

Almost surely, 2^222331032131 is an apocalyptic number.

222331032131 is a deficient number, since it is larger than the sum of its proper divisors (17102387101).

222331032131 is a wasteful number, since it uses less digits than its factorization.

222331032131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17102387100.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 222331032131 its reverse (131230133222), we get a palindrome (353561165353).

The spelling of 222331032131 in words is "two hundred twenty-two billion, three hundred thirty-one million, thirty-two thousand, one hundred thirty-one".