31302113203 has 8 divisors (see below), whose sum is σ = 32044042800. Its totient is φ = 30560818848.

The previous prime is 31302113191. The next prime is 31302113207. The reversal of 31302113203 is 30231120313.

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 31302113203 - 2⁹ = 31302112691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31302113207) 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, 58348 + ... + 256921.

It is an arithmetic number, because the mean of its divisors is an integer number (4005505350).

Almost surely, 2^31302113203 is an apocalyptic number.

31302113203 is a deficient number, since it is larger than the sum of its proper divisors (741929597).

31302113203 is a wasteful number, since it uses less digits than its factorization.

31302113203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317621.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31302113203 its reverse (30231120313), we get a palindrome (61533233516).

The spelling of 31302113203 in words is "thirty-one billion, three hundred two million, one hundred thirteen thousand, two hundred three".