10312231020 has 192 divisors, whose sum is σ = 35905744896. Its totient is φ = 2153226240.

The previous prime is 10312231009. The next prime is 10312231031. The reversal of 10312231020 is 2013221301.

It is an interprime number because it is at equal distance from previous prime (10312231009) and next prime (10312231031).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 519885 + ... + 539355.

It is an arithmetic number, because the mean of its divisors is an integer number (187009088).

Almost surely, 2^10312231020 is an apocalyptic number.

10312231020 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 10312231020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17952872448).

10312231020 is an abundant number, since it is smaller than the sum of its proper divisors (25593513876).

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

10312231020 is a wasteful number, since it uses less digits than its factorization.

10312231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19600 (or 19598 counting only the distinct ones).

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

Adding to 10312231020 its reverse (2013221301), we get a palindrome (12325452321).

The spelling of 10312231020 in words is "ten billion, three hundred twelve million, two hundred thirty-one thousand, twenty".