31203130312141 has 8 divisors (see below), whose sum is σ = 31335585435000. Its totient is φ = 31070760787968.

The previous prime is 31203130312097. The next prime is 31203130312163. The reversal of 31203130312141 is 14121303130213.

It can be written as a sum of positive squares in 4 ways, for example, as 15808854321225 + 15394275990916 = 3976035^2 + 3923554^2 .

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 31203130312141 - 2²⁵ = 31203096757709 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 (31203130312241) 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, 20669016 + ... + 22127233.

It is an arithmetic number, because the mean of its divisors is an integer number (3916948179375).

Almost surely, 2^{31203130312141} is an apocalyptic number.

It is an amenable number.

31203130312141 is a deficient number, since it is larger than the sum of its proper divisors (132455122859).

31203130312141 is a wasteful number, since it uses less digits than its factorization.

31203130312141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42799343.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 31203130312141 its reverse (14121303130213), we get a palindrome (45324433442354).

The spelling of 31203130312141 in words is "thirty-one trillion, two hundred three billion, one hundred thirty million, three hundred twelve thousand, one hundred forty-one".