1031280468 has 12 divisors (see below), whose sum is σ = 2406321120. Its totient is φ = 343760152.

The previous prime is 1031280443. The next prime is 1031280479. The reversal of 1031280468 is 8640821301.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 42970008 + ... + 42970031.

It is an arithmetic number, because the mean of its divisors is an integer number (200526760).

Almost surely, 2^1031280468 is an apocalyptic number.

It is an amenable number.

1031280468 is an abundant number, since it is smaller than the sum of its proper divisors (1375040652).

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

1031280468 is a wasteful number, since it uses less digits than its factorization.

1031280468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85940046 (or 85940044 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1031280468 is about 32113.5558292756. Note that the first 3 decimals coincide. The cubic root of 1031280468 is about 1010.3199548354.

The spelling of 1031280468 in words is "one billion, thirty-one million, two hundred eighty thousand, four hundred sixty-eight".