1321130030 has 24 divisors (see below), whose sum is σ = 2613874536. Its totient is φ = 480410480.

The previous prime is 1321130023. The next prime is 1321130081. The reversal of 1321130030 is 300311231.

It is a junction number, because it is equal to n+sod(n) for n = 1321129987 and 1321130014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 544712 + ... + 547131.

It is an arithmetic number, because the mean of its divisors is an integer number (108911439).

Almost surely, 2^1321130030 is an apocalyptic number.

1321130030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321130030 is a deficient number, since it is larger than the sum of its proper divisors (1292744506).

1321130030 is a wasteful number, since it uses less digits than its factorization.

1321130030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091872 (or 1091861 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1321130030 is about 36347.3524482871. The cubic root of 1321130030 is about 1097.2742513008.

Adding to 1321130030 its reverse (300311231), we get a palindrome (1621441261).

The spelling of 1321130030 in words is "one billion, three hundred twenty-one million, one hundred thirty thousand, thirty".