1231301231332 has 24 divisors (see below), whose sum is σ = 2281867058520. Its totient is φ = 579349954560.

The previous prime is 1231301231327. The next prime is 1231301231341. The reversal of 1231301231332 is 2331321031321.

It can be written as a sum of positive squares in 4 ways, for example, as 647033619456 + 584267611876 = 804384^2 + 764374^2 .

It is a super-2 number, since 2×1231301231332² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1231301231297 and 1231301231306.

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, 879357 + ... + 1798852.

It is an arithmetic number, because the mean of its divisors is an integer number (95077794105).

Almost surely, 2^{1231301231332} is an apocalyptic number.

It is an amenable number.

1231301231332 is a deficient number, since it is larger than the sum of its proper divisors (1050565827188).

1231301231332 is a wasteful number, since it uses less digits than its factorization.

1231301231332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684991 (or 2684989 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1231301231332 its reverse (2331321031321), we get a palindrome (3562622262653).

The spelling of 1231301231332 in words is "one trillion, two hundred thirty-one billion, three hundred one million, two hundred thirty-one thousand, three hundred thirty-two".