31331114 has 16 divisors (see below), whose sum is σ = 49610880. Its totient is φ = 14798880.

The previous prime is 31331101. The next prime is 31331117. The reversal of 31331114 is 41113313.

It is a junction number, because it is equal to n+sod(n) for n = 31331092 and 31331101.

It is not an unprimeable number, because it can be changed into a prime (31331117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15422 + ... + 17334.

It is an arithmetic number, because the mean of its divisors is an integer number (3100680).

Almost surely, 2^31331114 is an apocalyptic number.

31331114 is a deficient number, since it is larger than the sum of its proper divisors (18279766).

31331114 is a wasteful number, since it uses less digits than its factorization.

31331114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365.

The product of its digits is 108, while the sum is 17.

The square root of 31331114 is about 5597.4202986733. The cubic root of 31331114 is about 315.2525529821.

Adding to 31331114 its reverse (41113313), we get a palindrome (72444427).

The spelling of 31331114 in words is "thirty-one million, three hundred thirty-one thousand, one hundred fourteen".