3131230312033 has 4 divisors (see below), whose sum is σ = 3151966936768. Its totient is φ = 3110493687300.

The previous prime is 3131230311929. The next prime is 3131230312043. The reversal of 3131230312033 is 3302130321313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3131230312033 - 2¹⁷ = 3131230180961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3131230311989 and 3131230312007.

It is not an unprimeable number, because it can be changed into a prime (3131230312043) 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 3 ways as a sum of consecutive naturals, for example, 10368312141 + ... + 10368312442.

It is an arithmetic number, because the mean of its divisors is an integer number (787991734192).

Almost surely, 2^{3131230312033} is an apocalyptic number.

It is an amenable number.

3131230312033 is a deficient number, since it is larger than the sum of its proper divisors (20736624735).

3131230312033 is a wasteful number, since it uses less digits than its factorization.

3131230312033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20736624734.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 3131230312033 its reverse (3302130321313), we get a palindrome (6433360633346).

The spelling of 3131230312033 in words is "three trillion, one hundred thirty-one billion, two hundred thirty million, three hundred twelve thousand, thirty-three".