1331401112 has 8 divisors (see below), whose sum is σ = 2496377100. Its totient is φ = 665700552.

The previous prime is 1331401111. The next prime is 1331401187. The reversal of 1331401112 is 2111041331.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331401111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83212562 + ... + 83212577.

Almost surely, 2^1331401112 is an apocalyptic number.

It is an amenable number.

1331401112 is a deficient number, since it is larger than the sum of its proper divisors (1164975988).

1331401112 is a wasteful number, since it uses less digits than its factorization.

1331401112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166425145 (or 166425141 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1331401112 is about 36488.3695442808. The cubic root of 1331401112 is about 1100.1104880754.

Adding to 1331401112 its reverse (2111041331), we get a palindrome (3442442443).

The spelling of 1331401112 in words is "one billion, three hundred thirty-one million, four hundred one thousand, one hundred twelve".