31398744303 has 12 divisors (see below), whose sum is σ = 48021609168. Its totient is φ = 19701172800.

The previous prime is 31398744281. The next prime is 31398744323. The reversal of 31398744303 is 30344789313.

It is a happy number.

31398744303 is a `hidden beast` number, since 3 + 139 + 87 + 4 + 430 + 3 = 666.

It is not a de Polignac number, because 31398744303 - 2¹² = 31398740207 is a prime.

It is a super-2 number, since 2×31398744303² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31398744323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102610123 + ... + 102610428.

It is an arithmetic number, because the mean of its divisors is an integer number (4001800764).

Almost surely, 2^31398744303 is an apocalyptic number.

31398744303 is a deficient number, since it is larger than the sum of its proper divisors (16622864865).

31398744303 is a wasteful number, since it uses less digits than its factorization.

31398744303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205220574 (or 205220571 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 31398744303 in words is "thirty-one billion, three hundred ninety-eight million, seven hundred forty-four thousand, three hundred three".