31403114 has 16 divisors (see below), whose sum is σ = 51597000. Its totient is φ = 14267904.

The previous prime is 31403077. The next prime is 31403117. The reversal of 31403114 is 41130413.

It can be written as a sum of positive squares in 4 ways, for example, as 29757025 + 1646089 = 5455^2 + 1283^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 31403092 and 31403101.

It is not an unprimeable number, because it can be changed into a prime (31403117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14939 + ... + 16910.

Almost surely, 2^31403114 is an apocalyptic number.

31403114 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31403114 is a deficient number, since it is larger than the sum of its proper divisors (20193886).

31403114 is a wasteful number, since it uses less digits than its factorization.

31403114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31897.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 31403114 is about 5603.8481421252. The cubic root of 31403114 is about 315.4938553810.

Adding to 31403114 its reverse (41130413), we get a palindrome (72533527).

The spelling of 31403114 in words is "thirty-one million, four hundred three thousand, one hundred fourteen".