31203034102139 has 8 divisors (see below), whose sum is σ = 31256331179040. Its totient is φ = 31149739309696.

The previous prime is 31203034102103. The next prime is 31203034102159. The reversal of 31203034102139 is 93120143030213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31203034102139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31203034102159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27987809 + ... + 29081325.

It is an arithmetic number, because the mean of its divisors is an integer number (3907041397380).

Almost surely, 2^{31203034102139} is an apocalyptic number.

31203034102139 is a deficient number, since it is larger than the sum of its proper divisors (53297076901).

31203034102139 is a wasteful number, since it uses less digits than its factorization.

31203034102139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142229.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 31203034102139 in words is "thirty-one trillion, two hundred three billion, thirty-four million, one hundred two thousand, one hundred thirty-nine".