214007931 has 6 divisors (see below), whose sum is σ = 309122580. Its totient is φ = 142671948.

The previous prime is 214007929. The next prime is 214007933. The reversal of 214007931 is 139700412.

It is an interprime number because it is at equal distance from previous prime (214007929) and next prime (214007933).

It is not a de Polignac number, because 214007931 - 2¹ = 214007929 is a prime.

It is a super-2 number, since 2×214007931² = 91598789061801522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214007895 and 214007904.

It is not an unprimeable number, because it can be changed into a prime (214007933) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11889321 + ... + 11889338.

It is an arithmetic number, because the mean of its divisors is an integer number (51520430).

Almost surely, 2^214007931 is an apocalyptic number.

214007931 is a deficient number, since it is larger than the sum of its proper divisors (95114649).

214007931 is a wasteful number, since it uses less digits than its factorization.

214007931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23778665 (or 23778662 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 214007931 is about 14629.0099118156. The cubic root of 214007931 is about 598.1497920824.

The spelling of 214007931 in words is "two hundred fourteen million, seven thousand, nine hundred thirty-one".