22431134100345 has 64 divisors (see below), whose sum is σ = 37961545273344. Its totient is φ = 11287334741760.

The previous prime is 22431134100343. The next prime is 22431134100383. The reversal of 22431134100345 is 54300143113422.

It is not a de Polignac number, because 22431134100345 - 2¹ = 22431134100343 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22431134100341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17447967 + ... + 18689403.

It is an arithmetic number, because the mean of its divisors is an integer number (593149144896).

Almost surely, 2^{22431134100345} is an apocalyptic number.

It is an amenable number.

22431134100345 is a deficient number, since it is larger than the sum of its proper divisors (15530411172999).

22431134100345 is a wasteful number, since it uses less digits than its factorization.

22431134100345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242182.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 22431134100345 its reverse (54300143113422), we get a palindrome (76731277213767).

The spelling of 22431134100345 in words is "twenty-two trillion, four hundred thirty-one billion, one hundred thirty-four million, one hundred thousand, three hundred forty-five".