1231033134140 has 24 divisors (see below), whose sum is σ = 2585395507632. Its totient is φ = 492370220160.

The previous prime is 1231033134127. The next prime is 1231033134169. The reversal of 1231033134140 is 414313301321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2454521 + ... + 2913200.

It is an arithmetic number, because the mean of its divisors is an integer number (107724812818).

Almost surely, 2^{1231033134140} is an apocalyptic number.

1231033134140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1231033134140 is an abundant number, since it is smaller than the sum of its proper divisors (1354362373492).

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

1231033134140 is a wasteful number, since it uses less digits than its factorization.

1231033134140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5379197 (or 5379195 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1231033134140 its reverse (414313301321), we get a palindrome (1645346435461).

The spelling of 1231033134140 in words is "one trillion, two hundred thirty-one billion, thirty-three million, one hundred thirty-four thousand, one hundred forty".