31349001 has 8 divisors (see below), whose sum is σ = 42507360. Its totient is φ = 20544992.

The previous prime is 31348981. The next prime is 31349011. The reversal of 31349001 is 10094313.

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 31349001 - 2⁷ = 31348873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31349011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88380 + ... + 88733.

It is an arithmetic number, because the mean of its divisors is an integer number (5313420).

Almost surely, 2^31349001 is an apocalyptic number.

It is an amenable number.

31349001 is a deficient number, since it is larger than the sum of its proper divisors (11158359).

31349001 is a wasteful number, since it uses less digits than its factorization.

31349001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177175.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 31349001 is about 5599.0178603037. The cubic root of 31349001 is about 315.3125343547.

The spelling of 31349001 in words is "thirty-one million, three hundred forty-nine thousand, one".