13431030428 has 48 divisors (see below), whose sum is σ = 24331157760. Its totient is φ = 6483110400.

The previous prime is 13431030401. The next prime is 13431030461. The reversal of 13431030428 is 82403013431.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13431030428.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6618518 + ... + 6620546.

It is an arithmetic number, because the mean of its divisors is an integer number (506899120).

Almost surely, 2^13431030428 is an apocalyptic number.

It is an amenable number.

13431030428 is a deficient number, since it is larger than the sum of its proper divisors (10900127332).

13431030428 is a wasteful number, since it uses less digits than its factorization.

13431030428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478 (or 2476 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 13431030428 its reverse (82403013431), we get a palindrome (95834043859).

The spelling of 13431030428 in words is "thirteen billion, four hundred thirty-one million, thirty thousand, four hundred twenty-eight".