10311213452 has 12 divisors (see below), whose sum is σ = 18058292616. Its totient is φ = 5151701280.

The previous prime is 10311213433. The next prime is 10311213461. The reversal of 10311213452 is 25431211301.

It is a super-2 number, since 2×10311213452² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970418 + ... + 980985.

It is an arithmetic number, because the mean of its divisors is an integer number (1504857718).

Almost surely, 2^10311213452 is an apocalyptic number.

It is an amenable number.

10311213452 is a deficient number, since it is larger than the sum of its proper divisors (7747079164).

10311213452 is a wasteful number, since it uses less digits than its factorization.

10311213452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952728 (or 1952726 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 10311213452 its reverse (25431211301), we get a palindrome (35742424753).

The spelling of 10311213452 in words is "ten billion, three hundred eleven million, two hundred thirteen thousand, four hundred fifty-two".