2940187231 has 2 divisors, whose sum is σ = 2940187232. Its totient is φ = 2940187230.

The previous prime is 2940187223. The next prime is 2940187241. The reversal of 2940187231 is 1327810492.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2940187231 - 2³ = 2940187223 is a prime.

It is a super-2 number, since 2×2940187231² = 17289401906670894722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2940187241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1470093615 + 1470093616.

It is an arithmetic number, because the mean of its divisors is an integer number (1470093616).

Almost surely, 2^2940187231 is an apocalyptic number.

2940187231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2940187231 is an equidigital number, since it uses as much as digits as its factorization.

2940187231 is an evil number, because the sum of its binary digits is even.

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

The square root of 2940187231 is about 54223.4933492854. The cubic root of 2940187231 is about 1432.6001612830.

The spelling of 2940187231 in words is "two billion, nine hundred forty million, one hundred eighty-seven thousand, two hundred thirty-one".