213323132031 has 16 divisors (see below), whose sum is σ = 285223981056. Its totient is φ = 141818985216.

The previous prime is 213323132003. The next prime is 213323132063. The reversal of 213323132031 is 130231323312.

It is not a de Polignac number, because 213323132031 - 2⁵ = 213323131999 is a prime.

It is a super-2 number, since 2×213323132031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213323131992 and 213323132010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213323131031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8309391 + ... + 8335023.

It is an arithmetic number, because the mean of its divisors is an integer number (17826498816).

Almost surely, 2^213323132031 is an apocalyptic number.

213323132031 is a deficient number, since it is larger than the sum of its proper divisors (71900849025).

213323132031 is a wasteful number, since it uses less digits than its factorization.

213323132031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33262.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 213323132031 its reverse (130231323312), we get a palindrome (343554455343).

The spelling of 213323132031 in words is "two hundred thirteen billion, three hundred twenty-three million, one hundred thirty-two thousand, thirty-one".