1231041344032 has 48 divisors (see below), whose sum is σ = 2426765225472. Its totient is φ = 614720482560.

The previous prime is 1231041343949. The next prime is 1231041344047. The reversal of 1231041344032 is 2304431401321.

It is a happy number.

It is a super-2 number, since 2×1231041344032² (a number of 25 digits) contains 22 as substring.

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, 124556563 + ... + 124566445.

It is an arithmetic number, because the mean of its divisors is an integer number (50557608864).

Almost surely, 2^{1231041344032} is an apocalyptic number.

It is an amenable number.

1231041344032 is a deficient number, since it is larger than the sum of its proper divisors (1195723881440).

1231041344032 is a wasteful number, since it uses less digits than its factorization.

1231041344032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14561 (or 14553 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1231041344032 its reverse (2304431401321), we get a palindrome (3535472745353).

The spelling of 1231041344032 in words is "one trillion, two hundred thirty-one billion, forty-one million, three hundred forty-four thousand, thirty-two".