31301303103 has 12 divisors (see below), whose sum is σ = 51671992528. Its totient is φ = 17886458880.

The previous prime is 31301303071. The next prime is 31301303113. The reversal of 31301303103 is 30130310313.

It is not a de Polignac number, because 31301303103 - 2⁵ = 31301303071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31301303113) 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, 248422978 + ... + 248423103.

Almost surely, 2^31301303103 is an apocalyptic number.

31301303103 is a deficient number, since it is larger than the sum of its proper divisors (20370689425).

31301303103 is a wasteful number, since it uses less digits than its factorization.

31301303103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496846094 (or 496846091 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

Adding to 31301303103 its reverse (30130310313), we get a palindrome (61431613416).

The spelling of 31301303103 in words is "thirty-one billion, three hundred one million, three hundred three thousand, one hundred three".