1111240401431 has 8 divisors (see below), whose sum is σ = 1162807398144. Its totient is φ = 1060806745440.

The previous prime is 1111240401353. The next prime is 1111240401473. The reversal of 1111240401431 is 1341040421111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111240401431 - 2²² = 1111236207127 is a prime.

It is a super-2 number, since 2×1111240401431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111240401397 and 1111240401406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111240401331) 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 7 ways as a sum of consecutive naturals, for example, 283333175 + ... + 283337096.

It is an arithmetic number, because the mean of its divisors is an integer number (145350924768).

Almost surely, 2^{1111240401431} is an apocalyptic number.

1111240401431 is a deficient number, since it is larger than the sum of its proper divisors (51566996713).

1111240401431 is an equidigital number, since it uses as much as digits as its factorization.

1111240401431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566670361.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 1111240401431 its reverse (1341040421111), we get a palindrome (2452280822542).

The spelling of 1111240401431 in words is "one trillion, one hundred eleven billion, two hundred forty million, four hundred one thousand, four hundred thirty-one".