1003101331220 has 48 divisors (see below), whose sum is σ = 2263715294400. Its totient is φ = 372001749504.

The previous prime is 1003101331213. The next prime is 1003101331231. The reversal of 1003101331220 is 221331013001.

It is a super-2 number, since 2×1003101331220² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21994370 + ... + 22039929.

It is an arithmetic number, because the mean of its divisors is an integer number (47160735300).

Almost surely, 2^{1003101331220} is an apocalyptic number.

1003101331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003101331220 is an abundant number, since it is smaller than the sum of its proper divisors (1260613963180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1003101331220 is a wasteful number, since it uses less digits than its factorization.

1003101331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44034392 (or 44034390 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1003101331220 its reverse (221331013001), we get a palindrome (1224432344221).

The spelling of 1003101331220 in words is "one trillion, three billion, one hundred one million, three hundred thirty-one thousand, two hundred twenty".