111343031012 has 6 divisors (see below), whose sum is σ = 194850304278. Its totient is φ = 55671515504.

The previous prime is 111343030991. The next prime is 111343031021. The reversal of 111343031012 is 210130343111.

It can be written as a sum of positive squares in only one way, i.e., 81890979556 + 29452051456 = 286166^2 + 171616^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13917878873 + ... + 13917878880.

It is an arithmetic number, because the mean of its divisors is an integer number (32475050713).

Almost surely, 2^111343031012 is an apocalyptic number.

It is an amenable number.

111343031012 is a deficient number, since it is larger than the sum of its proper divisors (83507273266).

111343031012 is a wasteful number, since it uses less digits than its factorization.

111343031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27835757757 (or 27835757755 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111343031012 its reverse (210130343111), we get a palindrome (321473374123).

The spelling of 111343031012 in words is "one hundred eleven billion, three hundred forty-three million, thirty-one thousand, twelve".