31418959 has 12 divisors (see below), whose sum is σ = 37116792. Its totient is φ = 26364000.

The previous prime is 31418953. The next prime is 31418963. The reversal of 31418959 is 95981413.

It is not a de Polignac number, because 31418959 - 2⁷ = 31418831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31418953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6592 + ... + 10309.

It is an arithmetic number, because the mean of its divisors is an integer number (3093066).

Almost surely, 2^31418959 is an apocalyptic number.

31418959 is a deficient number, since it is larger than the sum of its proper divisors (5697833).

31418959 is a wasteful number, since it uses less digits than its factorization.

31418959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16938 (or 16925 counting only the distinct ones).

The product of its digits is 38880, while the sum is 40.

The square root of 31418959 is about 5605.2617244871. The cubic root of 31418959 is about 315.5469091386.

It can be divided in two parts, 3141 and 8959, that added together give a square (12100 = 110²).

The spelling of 31418959 in words is "thirty-one million, four hundred eighteen thousand, nine hundred fifty-nine".