1111413123431 has 32 divisors (see below), whose sum is σ = 1277113521600. Its totient is φ = 958717900800.

The previous prime is 1111413123413. The next prime is 1111413123479. The reversal of 1111413123431 is 1343213141111.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111413123431 is a prime.

It is a super-2 number, since 2×1111413123431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111413123431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111413126431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6627935 + ... + 6793551.

It is an arithmetic number, because the mean of its divisors is an integer number (39909797550).

Almost surely, 2^{1111413123431} is an apocalyptic number.

1111413123431 is a deficient number, since it is larger than the sum of its proper divisors (165700398169).

1111413123431 is a wasteful number, since it uses less digits than its factorization.

1111413123431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166019.

The product of its digits is 864, while the sum is 26.

Adding to 1111413123431 its reverse (1343213141111), we get a palindrome (2454626264542).

The spelling of 1111413123431 in words is "one trillion, one hundred eleven billion, four hundred thirteen million, one hundred twenty-three thousand, four hundred thirty-one".