1046431530 has 48 divisors (see below), whose sum is σ = 2732656680. Its totient is φ = 277824384.

The previous prime is 1046431499. The next prime is 1046431577. The reversal of 1046431530 is 351346401.

1046431530 is a `hidden beast` number, since 1 + 0 + 4 + 643 + 15 + 3 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1041804729 + 4626801 = 32277^2 + 2151^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1046431494 and 1046431503.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4777 + ... + 45996.

Almost surely, 2^1046431530 is an apocalyptic number.

1046431530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1046431530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1366328340).

1046431530 is an abundant number, since it is smaller than the sum of its proper divisors (1686225150).

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

1046431530 is a wasteful number, since it uses less digits than its factorization.

1046431530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51015 (or 51012 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1046431530 is about 32348.5939416229. The cubic root of 1046431530 is about 1015.2436277678.

Adding to 1046431530 its reverse (351346401), we get a palindrome (1397777931).

The spelling of 1046431530 in words is "one billion, forty-six million, four hundred thirty-one thousand, five hundred thirty".