32213000031231 has 16 divisors (see below), whose sum is σ = 44021536080480. Its totient is φ = 20940453242880.

The previous prime is 32213000031197. The next prime is 32213000031241. The reversal of 32213000031231 is 13213000031223.

It is not a de Polignac number, because 32213000031231 - 2¹⁸ = 32212999769087 is a prime.

It is a super-2 number, since 2×32213000031231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32213000031198 and 32213000031207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32213000031241) 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, 69088540 + ... + 69553233.

It is an arithmetic number, because the mean of its divisors is an integer number (2751346005030).

Almost surely, 2^{32213000031231} is an apocalyptic number.

32213000031231 is a deficient number, since it is larger than the sum of its proper divisors (11808536049249).

32213000031231 is a wasteful number, since it uses less digits than its factorization.

32213000031231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138643706.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 32213000031231 its reverse (13213000031223), we get a palindrome (45426000062454).

The spelling of 32213000031231 in words is "thirty-two trillion, two hundred thirteen billion, thirty-one thousand, two hundred thirty-one".