214155116831 has 2 divisors, whose sum is σ = 214155116832. Its totient is φ = 214155116830.

The previous prime is 214155116797. The next prime is 214155116839. The reversal of 214155116831 is 138611551412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214155116831 - 2¹⁴ = 214155100447 is a prime.

It is a super-2 number, since 2×214155116831² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214155116839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107077558415 + 107077558416.

It is an arithmetic number, because the mean of its divisors is an integer number (107077558416).

Almost surely, 2^214155116831 is an apocalyptic number.

214155116831 is a deficient number, since it is larger than the sum of its proper divisors (1).

214155116831 is an equidigital number, since it uses as much as digits as its factorization.

214155116831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 38.

The spelling of 214155116831 in words is "two hundred fourteen billion, one hundred fifty-five million, one hundred sixteen thousand, eight hundred thirty-one".