1303220031220 has 48 divisors (see below), whose sum is σ = 2829713600448. Its totient is φ = 503820611840.

The previous prime is 1303220031209. The next prime is 1303220031233. The reversal of 1303220031220 is 221300223031.

It is a super-3 number, since 3×1303220031220³ (a number of 37 digits) contains 333 as substring.

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, 7338862 + ... + 7514341.

It is an arithmetic number, because the mean of its divisors is an integer number (58952366676).

Almost surely, 2^{1303220031220} is an apocalyptic number.

1303220031220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303220031220 is an abundant number, since it is smaller than the sum of its proper divisors (1526493569228).

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

1303220031220 is a wasteful number, since it uses less digits than its factorization.

1303220031220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14853360 (or 14853358 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1303220031220 its reverse (221300223031), we get a palindrome (1524520254251).

The spelling of 1303220031220 in words is "one trillion, three hundred three billion, two hundred twenty million, thirty-one thousand, two hundred twenty".