10310431212 has 72 divisors (see below), whose sum is σ = 26719968912. Its totient is φ = 3350246400.

The previous prime is 10310431169. The next prime is 10310431247. The reversal of 10310431212 is 21213401301.

10310431212 is a `hidden beast` number, since 10 + 3 + 10 + 431 + 212 = 666.

10310431212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2620887 + ... + 2624817.

Almost surely, 2^10310431212 is an apocalyptic number.

10310431212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10310431212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13359984456).

10310431212 is an abundant number, since it is smaller than the sum of its proper divisors (16409537700).

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

10310431212 is a wasteful number, since it uses less digits than its factorization.

10310431212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5759 (or 5754 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10310431212 its reverse (21213401301), we get a palindrome (31523832513).

The spelling of 10310431212 in words is "ten billion, three hundred ten million, four hundred thirty-one thousand, two hundred twelve".