1051312230 has 32 divisors (see below), whose sum is σ = 2803500000. Its totient is φ = 280349856.

The previous prime is 1051312211. The next prime is 1051312243. The reversal of 1051312230 is 322131501.

1051312230 is a `hidden beast` number, since 1 + 0 + 513 + 122 + 30 = 666.

1051312230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1051312230² = 2210514809895145800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1946605 + ... + 1947144.

It is an arithmetic number, because the mean of its divisors is an integer number (87609375).

Almost surely, 2^1051312230 is an apocalyptic number.

1051312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1051312230 is an abundant number, since it is smaller than the sum of its proper divisors (1752187770).

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

1051312230 is a wasteful number, since it uses less digits than its factorization.

1051312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893765 (or 3893759 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1051312230 is about 32423.9453182366. The cubic root of 1051312230 is about 1016.8195919144.

Adding to 1051312230 its reverse (322131501), we get a palindrome (1373443731).

The spelling of 1051312230 in words is "one billion, fifty-one million, three hundred twelve thousand, two hundred thirty".