1231140041340 has 96 divisors (see below), whose sum is σ = 3760929978624. Its totient is φ = 298429877760.

The previous prime is 1231140041281. The next prime is 1231140041363. The reversal of 1231140041340 is 431400411321.

It is a self number, because there is not a number n which added to its sum of digits gives 1231140041340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7346767 + ... + 7512473.

It is an arithmetic number, because the mean of its divisors is an integer number (39176353944).

Almost surely, 2^{1231140041340} is an apocalyptic number.

1231140041340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1231140041340 is an abundant number, since it is smaller than the sum of its proper divisors (2529789937284).

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

1231140041340 is a wasteful number, since it uses less digits than its factorization.

1231140041340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176987 (or 176985 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1231140041340 its reverse (431400411321), we get a palindrome (1662540452661).

The spelling of 1231140041340 in words is "one trillion, two hundred thirty-one billion, one hundred forty million, forty-one thousand, three hundred forty".