111301031312 has 10 divisors (see below), whose sum is σ = 215645748198. Its totient is φ = 55650515648.

The previous prime is 111301031291. The next prime is 111301031329. The reversal of 111301031312 is 213130103111.

It can be written as a sum of positive squares in only one way, i.e., 64741749136 + 46559282176 = 254444^2 + 215776^2 .

It is a super-2 number, since 2×111301031312² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3478157213 + ... + 3478157244.

Almost surely, 2^111301031312 is an apocalyptic number.

It is an amenable number.

111301031312 is a deficient number, since it is larger than the sum of its proper divisors (104344716886).

111301031312 is an equidigital number, since it uses as much as digits as its factorization.

111301031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6956314465 (or 6956314459 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 111301031312 its reverse (213130103111), we get a palindrome (324431134423).

The spelling of 111301031312 in words is "one hundred eleven billion, three hundred one million, thirty-one thousand, three hundred twelve".