1231301231330 has 16 divisors (see below), whose sum is σ = 2216456046144. Its totient is φ = 492495197040.

The previous prime is 1231301231327. The next prime is 1231301231341. The reversal of 1231301231330 is 331321031321.

It is a super-2 number, since 2×1231301231330² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1231301231296 and 1231301231305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2956862 + ... + 3347481.

It is an arithmetic number, because the mean of its divisors is an integer number (138528502884).

Almost surely, 2^{1231301231330} is an apocalyptic number.

1231301231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231301231330 is a deficient number, since it is larger than the sum of its proper divisors (985154814814).

1231301231330 is a wasteful number, since it uses less digits than its factorization.

1231301231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6323881.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1231301231330 its reverse (331321031321), we get a palindrome (1562622262651).

The spelling of 1231301231330 in words is "one trillion, two hundred thirty-one billion, three hundred one million, two hundred thirty-one thousand, three hundred thirty".