1021310223 has 16 divisors (see below), whose sum is σ = 1417720416. Its totient is φ = 653391360.

The previous prime is 1021310201. The next prime is 1021310273. The reversal of 1021310223 is 3220131201.

It is not a de Polignac number, because 1021310223 - 2⁹ = 1021309711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021310273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54918 + ... + 71123.

It is an arithmetic number, because the mean of its divisors is an integer number (88607526).

Almost surely, 2^1021310223 is an apocalyptic number.

1021310223 is a deficient number, since it is larger than the sum of its proper divisors (396410193).

1021310223 is a wasteful number, since it uses less digits than its factorization.

1021310223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126154.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1021310223 is about 31957.9445991134. The cubic root of 1021310223 is about 1007.0535382875.

Adding to 1021310223 its reverse (3220131201), we get a palindrome (4241441424).

The spelling of 1021310223 in words is "one billion, twenty-one million, three hundred ten thousand, two hundred twenty-three".