1031488146 has 96 divisors (see below), whose sum is σ = 2496814320. Its totient is φ = 305690112.

The previous prime is 1031488123. The next prime is 1031488163. The reversal of 1031488146 is 6418841301.

It is a happy number.

1031488146 is a `hidden beast` number, since 1 + 0 + 31 + 488 + 146 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 929579121 + 101909025 = 30489^2 + 10095^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1031488146.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 943176 + ... + 944268.

Almost surely, 2^1031488146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031488146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1248407160).

1031488146 is an abundant number, since it is smaller than the sum of its proper divisors (1465326174).

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

1031488146 is a wasteful number, since it uses less digits than its factorization.

1031488146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1031488146 is about 32116.7891608112. The cubic root of 1031488146 is about 1010.3877692826.

The spelling of 1031488146 in words is "one billion, thirty-one million, four hundred eighty-eight thousand, one hundred forty-six".