213311002313031 has 32 divisors (see below), whose sum is σ = 325382938349568. Its totient is φ = 121765408047360.

The previous prime is 213311002312997. The next prime is 213311002313033. The reversal of 213311002313031 is 130313200113312.

It is not a de Polignac number, because 213311002313031 - 2¹⁴ = 213311002296647 is a prime.

It is a super-2 number, since 2×213311002313031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213311002312992 and 213311002313010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213311002313033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 808854165 + ... + 809117841.

It is an arithmetic number, because the mean of its divisors is an integer number (10168216823424).

Almost surely, 2^{213311002313031} is an apocalyptic number.

213311002313031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

213311002313031 is a deficient number, since it is larger than the sum of its proper divisors (112071936036537).

213311002313031 is a wasteful number, since it uses less digits than its factorization.

213311002313031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303551.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 213311002313031 its reverse (130313200113312), we get a palindrome (343624202426343).

The spelling of 213311002313031 in words is "two hundred thirteen trillion, three hundred eleven billion, two million, three hundred thirteen thousand, thirty-one".