213331020112031 has 8 divisors (see below), whose sum is σ = 224764797129600. Its totient is φ = 201917825953560.

The previous prime is 213331020111997. The next prime is 213331020112037. The reversal of 213331020112031 is 130211020133312.

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-213331020112031 is a prime.

It is a super-2 number, since 2×213331020112031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213331020111988 and 213331020112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213331020112037) 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, 5145693491 + ... + 5145734948.

It is an arithmetic number, because the mean of its divisors is an integer number (28095599641200).

Almost surely, 2^{213331020112031} is an apocalyptic number.

213331020112031 is a deficient number, since it is larger than the sum of its proper divisors (11433777017569).

213331020112031 is a wasteful number, since it uses less digits than its factorization.

213331020112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10291429549.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 213331020112031 its reverse (130211020133312), we get a palindrome (343542040245343).

The spelling of 213331020112031 in words is "two hundred thirteen trillion, three hundred thirty-one billion, twenty million, one hundred twelve thousand, thirty-one".