220102303031 has 16 divisors (see below), whose sum is σ = 241194565920. Its totient is φ = 199608624000.

The previous prime is 220102303019. The next prime is 220102303033. The reversal of 220102303031 is 130303201022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220102303031 is a prime.

It is a super-2 number, since 2×220102303031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220102303033) 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, 1213781 + ... + 1383281.

It is an arithmetic number, because the mean of its divisors is an integer number (15074660370).

Almost surely, 2^220102303031 is an apocalyptic number.

220102303031 is a deficient number, since it is larger than the sum of its proper divisors (21092262889).

220102303031 is a wasteful number, since it uses less digits than its factorization.

220102303031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171266.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 220102303031 its reverse (130303201022), we get a palindrome (350405504053).

The spelling of 220102303031 in words is "two hundred twenty billion, one hundred two million, three hundred three thousand, thirty-one".