220340131 has 8 divisors (see below), whose sum is σ = 253022400. Its totient is φ = 189766440.

The previous prime is 220340123. The next prime is 220340147. The reversal of 220340131 is 131043022.

It is a happy number.

220340131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220340131 - 2³ = 220340123 is a prime.

It is a super-2 number, since 2×220340131² = 97099546658194322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220340431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526921 + ... + 527338.

It is an arithmetic number, because the mean of its divisors is an integer number (31627800).

Almost surely, 2^220340131 is an apocalyptic number.

220340131 is a deficient number, since it is larger than the sum of its proper divisors (32682269).

220340131 is a wasteful number, since it uses less digits than its factorization.

220340131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054289.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 220340131 is about 14843.8583596045. The cubic root of 220340131 is about 603.9920205296.

Adding to 220340131 its reverse (131043022), we get a palindrome (351383153).

The spelling of 220340131 in words is "two hundred twenty million, three hundred forty thousand, one hundred thirty-one".