220101032131 has 16 divisors (see below), whose sum is σ = 233351113600. Its totient is φ = 207022780800.

The previous prime is 220101032119. The next prime is 220101032143. The reversal of 220101032131 is 131230101022.

It is an interprime number because it is at equal distance from previous prime (220101032119) and next prime (220101032143).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220101032131 is a prime.

It is a super-2 number, since 2×220101032131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220101032731) 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, 1443040 + ... + 1588258.

It is an arithmetic number, because the mean of its divisors is an integer number (14584444600).

Almost surely, 2^220101032131 is an apocalyptic number.

220101032131 is a deficient number, since it is larger than the sum of its proper divisors (13250081469).

220101032131 is a wasteful number, since it uses less digits than its factorization.

220101032131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145810.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 220101032131 its reverse (131230101022), we get a palindrome (351331133153).

The spelling of 220101032131 in words is "two hundred twenty billion, one hundred one million, thirty-two thousand, one hundred thirty-one".