223105566157131 has 16 divisors (see below), whose sum is σ = 340327123582464. Its totient is φ = 127355118550464.

The previous prime is 223105566157081. The next prime is 223105566157139. The reversal of 223105566157131 is 131751665501322.

It is a happy number.

It is not a de Polignac number, because 223105566157131 - 2⁷ = 223105566157003 is a prime.

It is a super-3 number, since 3×223105566157131³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (223105566157139) 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, 5573996031 + ... + 5574036056.

It is an arithmetic number, because the mean of its divisors is an integer number (21270445223904).

Almost surely, 2^{223105566157131} is an apocalyptic number.

223105566157131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

223105566157131 is a deficient number, since it is larger than the sum of its proper divisors (117221557425333).

223105566157131 is a wasteful number, since it uses less digits than its factorization.

223105566157131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11148033050.

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 223105566157131 in words is "two hundred twenty-three trillion, one hundred five billion, five hundred sixty-six million, one hundred fifty-seven thousand, one hundred thirty-one".