31298930243 has 8 divisors (see below), whose sum is σ = 35803928160. Its totient is φ = 26802362880.

The previous prime is 31298930233. The next prime is 31298930249. The reversal of 31298930243 is 34203989213.

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 31298930243 - 2¹² = 31298926147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31298930194 and 31298930203.

It is not an unprimeable number, because it can be changed into a prime (31298930249) 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, 2099678 + ... + 2114531.

It is an arithmetic number, because the mean of its divisors is an integer number (4475491020).

Almost surely, 2^31298930243 is an apocalyptic number.

31298930243 is a deficient number, since it is larger than the sum of its proper divisors (4504997917).

31298930243 is a wasteful number, since it uses less digits than its factorization.

31298930243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4215277.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 31298930243 in words is "thirty-one billion, two hundred ninety-eight million, nine hundred thirty thousand, two hundred forty-three".