10531281430 has 16 divisors (see below), whose sum is σ = 19954007280. Its totient is φ = 3990801312.

The previous prime is 10531281427. The next prime is 10531281451. The reversal of 10531281430 is 3418213501.

It is a happy number.

It is a super-2 number, since 2×10531281430² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27713709 + ... + 27714088.

It is an arithmetic number, because the mean of its divisors is an integer number (1247125455).

Almost surely, 2^10531281430 is an apocalyptic number.

10531281430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10531281430 is a deficient number, since it is larger than the sum of its proper divisors (9422725850).

10531281430 is a wasteful number, since it uses less digits than its factorization.

10531281430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55427823.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 10531281430 its reverse (3418213501), we get a palindrome (13949494931).

The spelling of 10531281430 in words is "ten billion, five hundred thirty-one million, two hundred eighty-one thousand, four hundred thirty".