1013231144432 has 40 divisors (see below), whose sum is σ = 2159127598656. Its totient is φ = 457695242496.

The previous prime is 1013231144377. The next prime is 1013231144461. The reversal of 1013231144432 is 2344411323101.

It is a junction number, because it is equal to n+sod(n) for n = 1013231144395 and 1013231144404.

It is a congruent number.

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, 51812603 + ... + 51832154.

Almost surely, 2^{1013231144432} is an apocalyptic number.

It is an amenable number.

1013231144432 is an abundant number, since it is smaller than the sum of its proper divisors (1145896454224).

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

1013231144432 is a wasteful number, since it uses less digits than its factorization.

1013231144432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103644825 (or 103644819 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1013231144432 its reverse (2344411323101), we get a palindrome (3357642467533).

The spelling of 1013231144432 in words is "one trillion, thirteen billion, two hundred thirty-one million, one hundred forty-four thousand, four hundred thirty-two".