1021313030 has 16 divisors (see below), whose sum is σ = 1844643024. Its totient is φ = 407129760.

The previous prime is 1021313009. The next prime is 1021313047. The reversal of 1021313030 is 303131201.

It is a junction number, because it is equal to n+sod(n) for n = 1021312996 and 1021313014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171356 + ... + 177215.

It is an arithmetic number, because the mean of its divisors is an integer number (115290189).

Almost surely, 2^1021313030 is an apocalyptic number.

1021313030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021313030 is a deficient number, since it is larger than the sum of its proper divisors (823329994).

1021313030 is a wasteful number, since it uses less digits than its factorization.

1021313030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348871.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1021313030 is about 31957.9885161754. The cubic root of 1021313030 is about 1007.0544608921.

Adding to 1021313030 its reverse (303131201), we get a palindrome (1324444231).

The spelling of 1021313030 in words is "one billion, twenty-one million, three hundred thirteen thousand, thirty".