1043481313 has 6 divisors (see below), whose sum is σ = 1213845666. Its totient is φ = 894412512.

The previous prime is 1043481287. The next prime is 1043481377. The reversal of 1043481313 is 3131843401.

It can be written as a sum of positive squares in only one way, i.e., 806105664 + 237375649 = 28392^2 + 15407^2 .

It is not a de Polignac number, because 1043481313 - 2⁵ = 1043481281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043481113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10647720 + ... + 10647817.

It is an arithmetic number, because the mean of its divisors is an integer number (202307611).

Almost surely, 2^1043481313 is an apocalyptic number.

It is an amenable number.

1043481313 is a deficient number, since it is larger than the sum of its proper divisors (170364353).

1043481313 is an equidigital number, since it uses as much as digits as its factorization.

1043481313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21295551 (or 21295544 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1043481313 is about 32302.9613657943. The cubic root of 1043481313 is about 1014.2886335384.

The spelling of 1043481313 in words is "one billion, forty-three million, four hundred eighty-one thousand, three hundred thirteen".