10320531340 has 96 divisors (see below), whose sum is σ = 26515238400. Its totient is φ = 3295365120.

The previous prime is 10320531329. The next prime is 10320531367. The reversal of 10320531340 is 4313502301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124060 + ... + 189820.

It is an arithmetic number, because the mean of its divisors is an integer number (276200400).

Almost surely, 2^10320531340 is an apocalyptic number.

10320531340 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 10320531340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13257619200).

10320531340 is an abundant number, since it is smaller than the sum of its proper divisors (16194707060).

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

10320531340 is a wasteful number, since it uses less digits than its factorization.

10320531340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65855 (or 65853 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The spelling of 10320531340 in words is "ten billion, three hundred twenty million, five hundred thirty-one thousand, three hundred forty".