228007161208831 has 2 divisors, whose sum is σ = 228007161208832. Its totient is φ = 228007161208830.

The previous prime is 228007161208817. The next prime is 228007161208859. The reversal of 228007161208831 is 138802161700822.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228007161208831 - 2¹⁹ = 228007160684543 is a prime.

It is a super-2 number, since 2×228007161208831² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228007161208231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114003580604415 + 114003580604416.

It is an arithmetic number, because the mean of its divisors is an integer number (114003580604416).

Almost surely, 2^{228007161208831} is an apocalyptic number.

228007161208831 is a deficient number, since it is larger than the sum of its proper divisors (1).

228007161208831 is an equidigital number, since it uses as much as digits as its factorization.

228007161208831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 49.

The spelling of 228007161208831 in words is "two hundred twenty-eight trillion, seven billion, one hundred sixty-one million, two hundred eight thousand, eight hundred thirty-one".