213122310323302 has 64 divisors (see below), whose sum is σ = 345625167222720. Its totient is φ = 98199962025984.

The previous prime is 213122310323291. The next prime is 213122310323311. The reversal of 213122310323302 is 203323013221312.

It is a happy number.

It is a super-2 number, since 2×213122310323302² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7064266474 + ... + 7064296642.

It is an arithmetic number, because the mean of its divisors is an integer number (5400393237855).

Almost surely, 2^{213122310323302} is an apocalyptic number.

213122310323302 is a deficient number, since it is larger than the sum of its proper divisors (132502856899418).

213122310323302 is a wasteful number, since it uses less digits than its factorization.

213122310323302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52537.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 213122310323302 its reverse (203323013221312), we get a palindrome (416445323544614).

The spelling of 213122310323302 in words is "two hundred thirteen trillion, one hundred twenty-two billion, three hundred ten million, three hundred twenty-three thousand, three hundred two".