31335229849 has 16 divisors (see below), whose sum is σ = 39073956480. Its totient is φ = 24412901760.

The previous prime is 31335229829. The next prime is 31335229853. The reversal of 31335229849 is 94892253313.

It is a cyclic number.

It is not a de Polignac number, because 31335229849 - 2⁵ = 31335229817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31335229819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466987 + ... + 529855.

It is an arithmetic number, because the mean of its divisors is an integer number (2442122280).

Almost surely, 2^31335229849 is an apocalyptic number.

It is an amenable number.

31335229849 is a deficient number, since it is larger than the sum of its proper divisors (7738726631).

31335229849 is a wasteful number, since it uses less digits than its factorization.

31335229849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69360.

The product of its digits is 1399680, while the sum is 49.

The spelling of 31335229849 in words is "thirty-one billion, three hundred thirty-five million, two hundred twenty-nine thousand, eight hundred forty-nine".