31313144009 has 8 divisors (see below), whose sum is σ = 37669947840. Its totient is φ = 25427214576.

The previous prime is 31313143951. The next prime is 31313144087. The reversal of 31313144009 is 90044131313.

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 31313144009 - 2¹⁶ = 31313078473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31313144089) 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, 117718454 + ... + 117718719.

It is an arithmetic number, because the mean of its divisors is an integer number (4708743480).

Almost surely, 2^31313144009 is an apocalyptic number.

It is an amenable number.

31313144009 is a deficient number, since it is larger than the sum of its proper divisors (6356803831).

31313144009 is a wasteful number, since it uses less digits than its factorization.

31313144009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235437199.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 31313144009 in words is "thirty-one billion, three hundred thirteen million, one hundred forty-four thousand, nine".