1020311230000 has 100 divisors (see below), whose sum is σ = 2470857672448. Its totient is φ = 408028320000.

The previous prime is 1020311229997. The next prime is 1020311230051. The reversal of 1020311230000 is 321130201.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×1020311230000² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55020730 + ... + 55039270.

Almost surely, 2^{1020311230000} is an apocalyptic number.

1020311230000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020311230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1235428836224).

1020311230000 is an abundant number, since it is smaller than the sum of its proper divisors (1450546442448).

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

1020311230000 is an equidigital number, since it uses as much as digits as its factorization.

1020311230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24072 (or 24051 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1020311230000 its reverse (321130201), we get a palindrome (1020632360201).

The spelling of 1020311230000 in words is "one trillion, twenty billion, three hundred eleven million, two hundred thirty thousand".