213210401240331 has 24 divisors (see below), whose sum is σ = 336058049892864. Its totient is φ = 129183753875760.

The previous prime is 213210401240293. The next prime is 213210401240399. The reversal of 213210401240331 is 133042104012312.

213210401240331 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 10 + 401 + 240 + 3 + 3 + 1 = 666.

It is not a de Polignac number, because 213210401240331 - 2¹³ = 213210401232139 is a prime.

It is a super-2 number, since 2×213210401240331² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213210401240295 and 213210401240304.

It is not an unprimeable number, because it can be changed into a prime (213210401240731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288555151 + ... + 289293096.

It is an arithmetic number, because the mean of its divisors is an integer number (14002418745536).

Almost surely, 2^{213210401240331} is an apocalyptic number.

213210401240331 is a deficient number, since it is larger than the sum of its proper divisors (122847648652533).

213210401240331 is a wasteful number, since it uses less digits than its factorization.

213210401240331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577851991 (or 577851988 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 213210401240331 its reverse (133042104012312), we get a palindrome (346252505252643).

The spelling of 213210401240331 in words is "two hundred thirteen trillion, two hundred ten billion, four hundred one million, two hundred forty thousand, three hundred thirty-one".