22130231331 has 16 divisors (see below), whose sum is σ = 31779449856. Its totient is φ = 13617443616.

The previous prime is 22130231327. The next prime is 22130231341. The reversal of 22130231331 is 13313203122.

It is not a de Polignac number, because 22130231331 - 2² = 22130231327 is a prime.

It is a super-2 number, since 2×22130231331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22130231298 and 22130231307.

It is not an unprimeable number, because it can be changed into a prime (22130231341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768316 + ... + 796598.

It is an arithmetic number, because the mean of its divisors is an integer number (1986215616).

Almost surely, 2^22130231331 is an apocalyptic number.

22130231331 is a deficient number, since it is larger than the sum of its proper divisors (9649218525).

22130231331 is a wasteful number, since it uses less digits than its factorization.

22130231331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48362.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 22130231331 its reverse (13313203122), we get a palindrome (35443434453).

The spelling of 22130231331 in words is "twenty-two billion, one hundred thirty million, two hundred thirty-one thousand, three hundred thirty-one".