210231030311320 has 32 divisors (see below), whose sum is σ = 479682069167520. Its totient is φ = 82908011952640.

The previous prime is 210231030311279. The next prime is 210231030311329. The reversal of 210231030311320 is 23113030132012.

It is a super-2 number, since 2×210231030311320² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210231030311291 and 210231030311300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210231030311329) 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, 37012502497 + ... + 37012508176.

It is an arithmetic number, because the mean of its divisors is an integer number (14990064661485).

Almost surely, 2^{210231030311320} is an apocalyptic number.

210231030311320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210231030311320 is an abundant number, since it is smaller than the sum of its proper divisors (269451038856200).

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

210231030311320 is a wasteful number, since it uses less digits than its factorization.

210231030311320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74025010755 (or 74025010751 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 210231030311320 its reverse (23113030132012), we get a palindrome (233344060443332).

The spelling of 210231030311320 in words is "two hundred ten trillion, two hundred thirty-one billion, thirty million, three hundred eleven thousand, three hundred twenty".