213122031201310 has 96 divisors (see below), whose sum is σ = 493488513791712. Its totient is φ = 65517678213120.

The previous prime is 213122031201281. The next prime is 213122031201337. The reversal of 213122031201310 is 13102130221312.

It is a super-2 number, since 2×213122031201310² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 270430267 + ... + 271217206.

It is an arithmetic number, because the mean of its divisors is an integer number (5140505351997).

Almost surely, 2^{213122031201310} is an apocalyptic number.

213122031201310 is an abundant number, since it is smaller than the sum of its proper divisors (280366482590402).

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

213122031201310 is a wasteful number, since it uses less digits than its factorization.

213122031201310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541647578 (or 541647571 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 213122031201310 its reverse (13102130221312), we get a palindrome (226224161422622).

The spelling of 213122031201310 in words is "two hundred thirteen trillion, one hundred twenty-two billion, thirty-one million, two hundred one thousand, three hundred ten".