1031290056 has 224 divisors, whose sum is σ = 3139970400. Its totient is φ = 316327680.

The previous prime is 1031290049. The next prime is 1031290061. The reversal of 1031290056 is 6500921301.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4543015 + ... + 4543241.

It is an arithmetic number, because the mean of its divisors is an integer number (14017725).

Almost surely, 2^1031290056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031290056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1569985200).

1031290056 is an abundant number, since it is smaller than the sum of its proper divisors (2108680344).

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

1031290056 is a wasteful number, since it uses less digits than its factorization.

1031290056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 1031290056 is about 32113.7051116809. The cubic root of 1031290056 is about 1010.3230858678.

The spelling of 1031290056 in words is "one billion, thirty-one million, two hundred ninety thousand, fifty-six".