1030401320 has 64 divisors (see below), whose sum is σ = 2582874000. Its totient is φ = 367331328.

The previous prime is 1030401319. The next prime is 1030401341. The reversal of 1030401320 is 231040301.

It can be written as a sum of positive squares in 8 ways, for example, as 551404324 + 478996996 = 23482^2 + 21886^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1030401295 and 1030401304.

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, 19085 + ... + 49244.

Almost surely, 2^1030401320 is an apocalyptic number.

1030401320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030401320 is an abundant number, since it is smaller than the sum of its proper divisors (1552472680).

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

1030401320 is a wasteful number, since it uses less digits than its factorization.

1030401320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68382 (or 68378 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1030401320 is about 32099.8647972231. The cubic root of 1030401320 is about 1010.0327800360.

Adding to 1030401320 its reverse (231040301), we get a palindrome (1261441621).

The spelling of 1030401320 in words is "one billion, thirty million, four hundred one thousand, three hundred twenty".