22131323403030 has 24 divisors (see below), whose sum is σ = 57541440848112. Its totient is φ = 5901686240784.

The previous prime is 22131323403017. The next prime is 22131323403031. The reversal of 22131323403030 is 3030432313122.

22131323403030 is a `hidden beast` number, since 2 + 2 + 1 + 3 + 13 + 2 + 340 + 303 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 22131323402985 and 22131323403003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131323403031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122951796594 + ... + 122951796773.

It is an arithmetic number, because the mean of its divisors is an integer number (2397560035338).

Almost surely, 2^{22131323403030} is an apocalyptic number.

22131323403030 is an abundant number, since it is smaller than the sum of its proper divisors (35410117445082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22131323403030 is a wasteful number, since it uses less digits than its factorization.

22131323403030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245903593380 (or 245903593377 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 22131323403030 its reverse (3030432313122), we get a palindrome (25161755716152).

The spelling of 22131323403030 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred twenty-three million, four hundred three thousand, thirty".