220320103131 has 12 divisors (see below), whose sum is σ = 328505960640. Its totient is φ = 142142001840.

The previous prime is 220320103121. The next prime is 220320103189. The reversal of 220320103131 is 131301023022.

220320103131 is a `hidden beast` number, since 2 + 20 + 320 + 10 + 313 + 1 = 666.

It is not a de Polignac number, because 220320103131 - 2⁵ = 220320103099 is a prime.

It is a super-2 number, since 2×220320103131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220320103111) 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, 394838616 + ... + 394839173.

It is an arithmetic number, because the mean of its divisors is an integer number (27375496720).

Almost surely, 2^220320103131 is an apocalyptic number.

220320103131 is a deficient number, since it is larger than the sum of its proper divisors (108185857509).

220320103131 is a wasteful number, since it uses less digits than its factorization.

220320103131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789677826 (or 789677823 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 220320103131 its reverse (131301023022), we get a palindrome (351621126153).

The spelling of 220320103131 in words is "two hundred twenty billion, three hundred twenty million, one hundred three thousand, one hundred thirty-one".