1030028331 has 8 divisors (see below), whose sum is σ = 1386206784. Its totient is φ = 680267720.

The previous prime is 1030028291. The next prime is 1030028339. The reversal of 1030028331 is 1338200301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1030028331 - 2⁹ = 1030027819 is a prime.

It is a super-2 number, since 2×1030028331² = 2121916725325291122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030028298 and 1030028307.

It is not an unprimeable number, because it can be changed into a prime (1030028339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1604085 + ... + 1604726.

It is an arithmetic number, because the mean of its divisors is an integer number (173275848).

Almost surely, 2^1030028331 is an apocalyptic number.

1030028331 is a deficient number, since it is larger than the sum of its proper divisors (356178453).

1030028331 is a wasteful number, since it uses less digits than its factorization.

1030028331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208921.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1030028331 is about 32094.0544493836. The cubic root of 1030028331 is about 1009.9108933577.

Adding to 1030028331 its reverse (1338200301), we get a palindrome (2368228632).

The spelling of 1030028331 in words is "one billion, thirty million, twenty-eight thousand, three hundred thirty-one".