1303122312030 has 64 divisors (see below), whose sum is σ = 3899212743168. Its totient is φ = 270778661760.

The previous prime is 1303122311989. The next prime is 1303122312179. The reversal of 1303122312030 is 302132213031.

It is a super-2 number, since 2×1303122312030² (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1303122311988 and 1303122312006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282058797 + ... + 282063416.

It is an arithmetic number, because the mean of its divisors is an integer number (60925199112).

Almost surely, 2^{1303122312030} is an apocalyptic number.

1303122312030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1303122312030 is an abundant number, since it is smaller than the sum of its proper divisors (2596090431138).

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

1303122312030 is a wasteful number, since it uses less digits than its factorization.

1303122312030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564122241.

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

Adding to 1303122312030 its reverse (302132213031), we get a palindrome (1605254525061).

The spelling of 1303122312030 in words is "one trillion, three hundred three billion, one hundred twenty-two million, three hundred twelve thousand, thirty".