1030113331220 has 36 divisors (see below), whose sum is σ = 2261381141460. Its totient is φ = 394130313984.

The previous prime is 1030113331211. The next prime is 1030113331231. The reversal of 1030113331220 is 221333110301.

It can be written as a sum of positive squares in 2 ways, for example, as 708472357264 + 321640973956 = 841708^2 + 567134^2 .

It is a super-2 number, since 2×1030113331220² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1030113331192 and 1030113331201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48671525 + ... + 48692684.

Almost surely, 2^{1030113331220} is an apocalyptic number.

1030113331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030113331220 is an abundant number, since it is smaller than the sum of its proper divisors (1231267810240).

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

1030113331220 is a wasteful number, since it uses less digits than its factorization.

1030113331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97364264 (or 97364239 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1030113331220 its reverse (221333110301), we get a palindrome (1251446441521).

The spelling of 1030113331220 in words is "one trillion, thirty billion, one hundred thirteen million, three hundred thirty-one thousand, two hundred twenty".