31489314 has 16 divisors (see below), whose sum is σ = 64167552. Its totient is φ = 10298288.

The previous prime is 31489279. The next prime is 31489349. The reversal of 31489314 is 41398413.

It is an interprime number because it is at equal distance from previous prime (31489279) and next prime (31489349).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49194 + ... + 49829.

It is an arithmetic number, because the mean of its divisors is an integer number (4010472).

Almost surely, 2^31489314 is an apocalyptic number.

31489314 is an abundant number, since it is smaller than the sum of its proper divisors (32678238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31489314 is a wasteful number, since it uses less digits than its factorization.

31489314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99081.

The product of its digits is 10368, while the sum is 33.

The square root of 31489314 is about 5611.5340148662. The cubic root of 31489314 is about 315.7822633471.

Subtracting 31489314 from its reverse (41398413), we obtain a palindrome (9909099).

The spelling of 31489314 in words is "thirty-one million, four hundred eighty-nine thousand, three hundred fourteen".