1023211303320 has 64 divisors (see below), whose sum is σ = 3069722085120. Its totient is φ = 272848509824.

The previous prime is 1023211303319. The next prime is 1023211303321. The reversal of 1023211303320 is 233031123201.

1023211303320 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1023211303319) and next prime (1023211303321).

It is a super-2 number, since 2×1023211303320² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023211303321) 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, 4941307 + ... + 5144213.

It is an arithmetic number, because the mean of its divisors is an integer number (47964407580).

Almost surely, 2^{1023211303320} is an apocalyptic number.

1023211303320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023211303320 is an abundant number, since it is smaller than the sum of its proper divisors (2046510781800).

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

1023211303320 is a wasteful number, since it uses less digits than its factorization.

1023211303320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244944 (or 244940 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1023211303320 its reverse (233031123201), we get a palindrome (1256242426521).

The spelling of 1023211303320 in words is "one trillion, twenty-three billion, two hundred eleven million, three hundred three thousand, three hundred twenty".