1303031303220 has 96 divisors (see below), whose sum is σ = 3668345210880. Its totient is φ = 345584573440.

The previous prime is 1303031303201. The next prime is 1303031303227. The reversal of 1303031303220 is 223031303031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303031303227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78710464 + ... + 78727016.

It is an arithmetic number, because the mean of its divisors is an integer number (38211929280).

Almost surely, 2^{1303031303220} is an apocalyptic number.

1303031303220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303031303220 is an abundant number, since it is smaller than the sum of its proper divisors (2365313907660).

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

1303031303220 is a wasteful number, since it uses less digits than its factorization.

1303031303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23625 (or 23623 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 1303031303220 its reverse (223031303031), we get a palindrome (1526062606251).

The spelling of 1303031303220 in words is "one trillion, three hundred three billion, thirty-one million, three hundred three thousand, two hundred twenty".