10931380 has 12 divisors (see below), whose sum is σ = 22955940. Its totient is φ = 4372544.

The previous prime is 10931363. The next prime is 10931381. The reversal of 10931380 is 8313901.

10931380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6170256 + 4761124 = 2484^2 + 2182^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10931381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273265 + ... + 273304.

It is an arithmetic number, because the mean of its divisors is an integer number (1912995).

Almost surely, 2^10931380 is an apocalyptic number.

10931380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10931380 is an abundant number, since it is smaller than the sum of its proper divisors (12024560).

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

10931380 is a wasteful number, since it uses less digits than its factorization.

10931380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546578 (or 546576 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 10931380 is about 3306.2637523343. The cubic root of 10931380 is about 221.9345910161.

It can be divided in two parts, 10931 and 380, that added together give a palindrome (11311).

The spelling of 10931380 in words is "ten million, nine hundred thirty-one thousand, three hundred eighty".