1140402330231 has 4 divisors (see below), whose sum is σ = 1520536440312. Its totient is φ = 760268220152.

The previous prime is 1140402330227. The next prime is 1140402330251. The reversal of 1140402330231 is 1320332040411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1140402330231 - 2² = 1140402330227 is a prime.

It is a super-2 number, since 2×1140402330231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140402330251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190067055036 + ... + 190067055041.

It is an arithmetic number, because the mean of its divisors is an integer number (380134110078).

Almost surely, 2^{1140402330231} is an apocalyptic number.

1140402330231 is a deficient number, since it is larger than the sum of its proper divisors (380134110081).

1140402330231 is an equidigital number, since it uses as much as digits as its factorization.

1140402330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380134110080.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1140402330231 its reverse (1320332040411), we get a palindrome (2460734370642).

The spelling of 1140402330231 in words is "one trillion, one hundred forty billion, four hundred two million, three hundred thirty thousand, two hundred thirty-one".