20031231300131 has 8 divisors (see below), whose sum is σ = 20047710105600. Its totient is φ = 20014759273608.

The previous prime is 20031231300097. The next prime is 20031231300151. The reversal of 20031231300131 is 13100313213002.

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-20031231300131 is a prime.

It is a super-2 number, since 2×20031231300131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20031231300151) 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, 4226030 + ... + 7610636.

It is an arithmetic number, because the mean of its divisors is an integer number (2505963763200).

Almost surely, 2^{20031231300131} is an apocalyptic number.

20031231300131 is a deficient number, since it is larger than the sum of its proper divisors (16478805469).

20031231300131 is a wasteful number, since it uses less digits than its factorization.

20031231300131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389473.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20031231300131 its reverse (13100313213002), we get a palindrome (33131544513133).

The spelling of 20031231300131 in words is "twenty trillion, thirty-one billion, two hundred thirty-one million, three hundred thousand, one hundred thirty-one".