1021310010 has 48 divisors (see below), whose sum is σ = 3034751616. Its totient is φ = 233442144.

The previous prime is 1021309981. The next prime is 1021310029. The reversal of 1021310010 is 100131201.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1021309974 and 1021310001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 809934 + ... + 811193.

It is an arithmetic number, because the mean of its divisors is an integer number (63223992).

Almost surely, 2^1021310010 is an apocalyptic number.

1021310010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021310010 is an abundant number, since it is smaller than the sum of its proper divisors (2013441606).

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

1021310010 is a wasteful number, since it uses less digits than its factorization.

1021310010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621147 (or 1621144 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1021310010 is about 31957.9412666085. The cubic root of 1021310010 is about 1007.0534682786.

Adding to 1021310010 its reverse (100131201), we get a palindrome (1121441211).

The spelling of 1021310010 in words is "one billion, twenty-one million, three hundred ten thousand, ten".