1231442031332 has 12 divisors (see below), whose sum is σ = 2248720231296. Its totient is φ = 588950536680.

The previous prime is 1231442031319. The next prime is 1231442031341. The reversal of 1231442031332 is 2331302441321.

It is a junction number, because it is equal to n+sod(n) for n = 1231442031295 and 1231442031304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6692619644 + ... + 6692619827.

It is an arithmetic number, because the mean of its divisors is an integer number (187393352608).

Almost surely, 2^{1231442031332} is an apocalyptic number.

It is an amenable number.

1231442031332 is a deficient number, since it is larger than the sum of its proper divisors (1017278199964).

1231442031332 is a wasteful number, since it uses less digits than its factorization.

1231442031332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13385239498 (or 13385239496 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1231442031332 its reverse (2331302441321), we get a palindrome (3562744472653).

The spelling of 1231442031332 in words is "one trillion, two hundred thirty-one billion, four hundred forty-two million, thirty-one thousand, three hundred thirty-two".