10431312 has 20 divisors (see below), whose sum is σ = 26947680. Its totient is φ = 3477088.

The previous prime is 10431277. The next prime is 10431313. The reversal of 10431312 is 21313401.

10431312 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10431291 and 10431300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10431313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108612 + ... + 108707.

It is an arithmetic number, because the mean of its divisors is an integer number (1347384).

Almost surely, 2^10431312 is an apocalyptic number.

10431312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10431312 is an abundant number, since it is smaller than the sum of its proper divisors (16516368).

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

10431312 is a wasteful number, since it uses less digits than its factorization.

10431312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217330 (or 217324 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 10431312 is about 3229.7541702117. The cubic root of 10431312 is about 218.4974192714.

Adding to 10431312 its reverse (21313401), we get a palindrome (31744713).

The spelling of 10431312 in words is "ten million, four hundred thirty-one thousand, three hundred twelve".