31880147 has 8 divisors (see below), whose sum is σ = 35063616. Its totient is φ = 28801152.

The previous prime is 31880131. The next prime is 31880161. The reversal of 31880147 is 74108813.

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

It is a cyclic number.

It is not a de Polignac number, because 31880147 - 2⁴ = 31880131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31880447) 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, 25478 + ... + 26699.

It is an arithmetic number, because the mean of its divisors is an integer number (4382952).

Almost surely, 2^31880147 is an apocalyptic number.

31880147 is a deficient number, since it is larger than the sum of its proper divisors (3183469).

31880147 is a wasteful number, since it uses less digits than its factorization.

31880147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52237.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 31880147 is about 5646.2507029001. The cubic root of 31880147 is about 317.0833503918.

The spelling of 31880147 in words is "thirty-one million, eight hundred eighty thousand, one hundred forty-seven".