2481072931 has 4 divisors (see below), whose sum is σ = 2566627200. Its totient is φ = 2395518664.

The previous prime is 2481072911. The next prime is 2481072943. The reversal of 2481072931 is 1392701842.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2481072931 - 2²⁹ = 1944202019 is a prime.

It is a super-2 number, since 2×2481072931² = 12311445777881861522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2481072911) 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, 42777091 + ... + 42777148.

It is an arithmetic number, because the mean of its divisors is an integer number (641656800).

Almost surely, 2^2481072931 is an apocalyptic number.

2481072931 is a deficient number, since it is larger than the sum of its proper divisors (85554269).

2481072931 is an equidigital number, since it uses as much as digits as its factorization.

2481072931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85554268.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2481072931 is about 49810.3697135446. The cubic root of 2481072931 is about 1353.7750635986.

The spelling of 2481072931 in words is "two billion, four hundred eighty-one million, seventy-two thousand, nine hundred thirty-one".