11220303230031 has 16 divisors (see below), whose sum is σ = 17101659504384. Its totient is φ = 6410081377344.

The previous prime is 11220303230023. The next prime is 11220303230039. The reversal of 11220303230031 is 13003230302211.

It is an interprime number because it is at equal distance from previous prime (11220303230023) and next prime (11220303230039).

It is not a de Polignac number, because 11220303230031 - 2³ = 11220303230023 is a prime.

It is a super-2 number, since 2×11220303230031² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220303230039) 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, 63262185 + ... + 63439298.

It is an arithmetic number, because the mean of its divisors is an integer number (1068853719024).

Almost surely, 2^{11220303230031} is an apocalyptic number.

11220303230031 is a deficient number, since it is larger than the sum of its proper divisors (5881356274353).

11220303230031 is a wasteful number, since it uses less digits than its factorization.

11220303230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126705710.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11220303230031 its reverse (13003230302211), we get a palindrome (24223533532242).

The spelling of 11220303230031 in words is "eleven trillion, two hundred twenty billion, three hundred three million, two hundred thirty thousand, thirty-one".