2931324540 has 48 divisors (see below), whose sum is σ = 8249405472. Its totient is φ = 777715456.

The previous prime is 2931324511. The next prime is 2931324547. The reversal of 2931324540 is 454231392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2931324547) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 112179 + ... + 135818.

It is an arithmetic number, because the mean of its divisors is an integer number (171862614).

Almost surely, 2^2931324540 is an apocalyptic number.

2931324540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2931324540 is an abundant number, since it is smaller than the sum of its proper divisors (5318080932).

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

2931324540 is a wasteful number, since it uses less digits than its factorization.

2931324540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248206 (or 248204 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 2931324540 is about 54141.7079523725. The cubic root of 2931324540 is about 1431.1592699044.

The spelling of 2931324540 in words is "two billion, nine hundred thirty-one million, three hundred twenty-four thousand, five hundred forty".