213451322862 has 16 divisors (see below), whose sum is σ = 429621772752. Its totient is φ = 70697253120.

The previous prime is 213451322809. The next prime is 213451322867. The reversal of 213451322862 is 268223154312.

It is a super-2 number, since 2×213451322862² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213451322862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213451322867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113295939 + ... + 113297822.

It is an arithmetic number, because the mean of its divisors is an integer number (26851360797).

Almost surely, 2^213451322862 is an apocalyptic number.

213451322862 is an abundant number, since it is smaller than the sum of its proper divisors (216170449890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213451322862 is a wasteful number, since it uses less digits than its factorization.

213451322862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226593923.

The product of its digits is 138240, while the sum is 39.

The spelling of 213451322862 in words is "two hundred thirteen billion, four hundred fifty-one million, three hundred twenty-two thousand, eight hundred sixty-two".