10310231023220 has 24 divisors (see below), whose sum is σ = 21654077560584. Its totient is φ = 4123598616576.

The previous prime is 10310231023207. The next prime is 10310231023231. The reversal of 10310231023220 is 2232013201301.

It can be written as a sum of positive squares in 4 ways, for example, as 974101885156 + 9336129138064 = 986966^2 + 3055508^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10310231023192 and 10310231023201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30690809 + ... + 31024928.

It is an arithmetic number, because the mean of its divisors is an integer number (902253231691).

Almost surely, 2^{10310231023220} is an apocalyptic number.

10310231023220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10310231023220 is an abundant number, since it is smaller than the sum of its proper divisors (11343846537364).

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

10310231023220 is a wasteful number, since it uses less digits than its factorization.

10310231023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61724099 (or 61724097 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10310231023220 its reverse (2232013201301), we get a palindrome (12542244224521).

The spelling of 10310231023220 in words is "ten trillion, three hundred ten billion, two hundred thirty-one million, twenty-three thousand, two hundred twenty".