2180825031 has 16 divisors (see below), whose sum is σ = 3625267968. Its totient is φ = 1132896000.

The previous prime is 2180825011. The next prime is 2180825033. The reversal of 2180825031 is 1305280812.

It is not a de Polignac number, because 2180825031 - 2⁵ = 2180824999 is a prime.

It is a super-2 number, since 2×2180825031² = 9511995631672301922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2180825031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180825033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4720170 + ... + 4720631.

It is an arithmetic number, because the mean of its divisors is an integer number (226579248).

Almost surely, 2^2180825031 is an apocalyptic number.

2180825031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2180825031 is a deficient number, since it is larger than the sum of its proper divisors (1444442937).

2180825031 is a wasteful number, since it uses less digits than its factorization.

2180825031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9440822.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 2180825031 is about 46699.3043952477. The cubic root of 2180825031 is about 1296.8018092423.

The spelling of 2180825031 in words is "two billion, one hundred eighty million, eight hundred twenty-five thousand, thirty-one".