10312134140 has 96 divisors (see below), whose sum is σ = 27324670464. Its totient is φ = 3175407360.

The previous prime is 10312134127. The next prime is 10312134149. The reversal of 10312134140 is 4143121301.

It is a super-2 number, since 2×10312134140² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312134149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87482 + ... + 168158.

It is an arithmetic number, because the mean of its divisors is an integer number (284631984).

Almost surely, 2^10312134140 is an apocalyptic number.

10312134140 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 10312134140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13662335232).

10312134140 is an abundant number, since it is smaller than the sum of its proper divisors (17012536324).

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

10312134140 is a wasteful number, since it uses less digits than its factorization.

10312134140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80787 (or 80785 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10312134140 its reverse (4143121301), we get a palindrome (14455255441).

The spelling of 10312134140 in words is "ten billion, three hundred twelve million, one hundred thirty-four thousand, one hundred forty".