10312516 has 24 divisors (see below), whose sum is σ = 19656000. Its totient is φ = 4715424.

The previous prime is 10312513. The next prime is 10312531. The reversal of 10312516 is 61521301.

10312516 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 (19).

It is a junction number, because it is equal to n+sod(n) for n = 10312493 and 10312502.

It is not an unprimeable number, because it can be changed into a prime (10312513) 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, 136 + ... + 4543.

It is an arithmetic number, because the mean of its divisors is an integer number (819000).

Almost surely, 2^10312516 is an apocalyptic number.

It is an amenable number.

10312516 is a deficient number, since it is larger than the sum of its proper divisors (9343484).

10312516 is a wasteful number, since it uses less digits than its factorization.

10312516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4731 (or 4729 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 10312516 is about 3211.3106358619. The cubic root of 10312516 is about 217.6648048493.

Adding to 10312516 its reverse (61521301), we get a palindrome (71833817).

The spelling of 10312516 in words is "ten million, three hundred twelve thousand, five hundred sixteen".