1111431131102 has 16 divisors (see below), whose sum is σ = 1679291535600. Its totient is φ = 551668005120.

The previous prime is 1111431131089. The next prime is 1111431131171. The reversal of 1111431131102 is 2011311341111.

It is a super-4 number, since 4×1111431131102⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3019952 + ... + 3367932.

It is an arithmetic number, because the mean of its divisors is an integer number (104955720975).

Almost surely, 2^{1111431131102} is an apocalyptic number.

1111431131102 is a deficient number, since it is larger than the sum of its proper divisors (567860404498).

1111431131102 is a wasteful number, since it uses less digits than its factorization.

1111431131102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359611.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 1111431131102 its reverse (2011311341111), we get a palindrome (3122742472213).

The spelling of 1111431131102 in words is "one trillion, one hundred eleven billion, four hundred thirty-one million, one hundred thirty-one thousand, one hundred two".