31348653 has 8 divisors (see below), whose sum is σ = 47769408. Its totient is φ = 17913504.

The previous prime is 31348643. The next prime is 31348687. The reversal of 31348653 is 35684313.

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

It is not a de Polignac number, because 31348653 - 2⁴ = 31348637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31348633) 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 7 ways as a sum of consecutive naturals, for example, 746376 + ... + 746417.

It is an arithmetic number, because the mean of its divisors is an integer number (5971176).

Almost surely, 2^31348653 is an apocalyptic number.

It is an amenable number.

31348653 is a deficient number, since it is larger than the sum of its proper divisors (16420755).

31348653 is a wasteful number, since it uses less digits than its factorization.

31348653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492803.

The product of its digits is 25920, while the sum is 33.

The square root of 31348653 is about 5598.9867833386. The cubic root of 31348653 is about 315.3113676065.

The spelling of 31348653 in words is "thirty-one million, three hundred forty-eight thousand, six hundred fifty-three".