31414985 has 8 divisors (see below), whose sum is σ = 43083456. Its totient is φ = 21541680.

The previous prime is 31414949. The next prime is 31414991. The reversal of 31414985 is 58941413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31414985 - 2²⁰ = 30366409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 897571 = 31414985 / (3 + 1 + 4 + 1 + 4 + 9 + 8 + 5).

It is a Duffinian number.

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, 448751 + ... + 448820.

It is an arithmetic number, because the mean of its divisors is an integer number (5385432).

Almost surely, 2^31414985 is an apocalyptic number.

31414985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31414985 is a deficient number, since it is larger than the sum of its proper divisors (11668471).

31414985 is an equidigital number, since it uses as much as digits as its factorization.

31414985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897583.

The product of its digits is 17280, while the sum is 35.

The square root of 31414985 is about 5604.9072249235. The cubic root of 31414985 is about 315.5336046845.

The spelling of 31414985 in words is "thirty-one million, four hundred fourteen thousand, nine hundred eighty-five".