1240013131230 has 32 divisors (see below), whose sum is σ = 2981721861504. Its totient is φ = 330037907616.

The previous prime is 1240013131219. The next prime is 1240013131267. The reversal of 1240013131230 is 321313100421.

It is a junction number, because it is equal to n+sod(n) for n = 1240013131197 and 1240013131206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39500344 + ... + 39531723.

It is an arithmetic number, because the mean of its divisors is an integer number (93178808172).

Almost surely, 2^{1240013131230} is an apocalyptic number.

1240013131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1240013131230 is an abundant number, since it is smaller than the sum of its proper divisors (1741708730274).

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

1240013131230 is a wasteful number, since it uses less digits than its factorization.

1240013131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79032600.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1240013131230 its reverse (321313100421), we get a palindrome (1561326231651).

The spelling of 1240013131230 in words is "one trillion, two hundred forty billion, thirteen million, one hundred thirty-one thousand, two hundred thirty".