1043311420 has 48 divisors (see below), whose sum is σ = 2376446688. Its totient is φ = 383191040.

The previous prime is 1043311391. The next prime is 1043311433. The reversal of 1043311420 is 241133401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23482 + ... + 51361.

It is an arithmetic number, because the mean of its divisors is an integer number (49509306).

Almost surely, 2^1043311420 is an apocalyptic number.

1043311420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043311420 is an abundant number, since it is smaller than the sum of its proper divisors (1333135268).

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

1043311420 is a wasteful number, since it uses less digits than its factorization.

1043311420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74910 (or 74908 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1043311420 is about 32300.3315772455. The cubic root of 1043311420 is about 1014.2335838729.

Adding to 1043311420 its reverse (241133401), we get a palindrome (1284444821).

The spelling of 1043311420 in words is "one billion, forty-three million, three hundred eleven thousand, four hundred twenty".