67204140331 has 2 divisors, whose sum is σ = 67204140332. Its totient is φ = 67204140330.

The previous prime is 67204140313. The next prime is 67204140337. The reversal of 67204140331 is 13304140276.

Together with previous prime (67204140313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67204140331 - 2⁵ = 67204140299 is a prime.

It is a super-2 number, since 2×67204140331² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67204140293 and 67204140302.

It is not a weakly prime, because it can be changed into another prime (67204140337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33602070165 + 33602070166.

It is an arithmetic number, because the mean of its divisors is an integer number (33602070166).

Almost surely, 2^67204140331 is an apocalyptic number.

67204140331 is a deficient number, since it is larger than the sum of its proper divisors (1).

67204140331 is an equidigital number, since it uses as much as digits as its factorization.

67204140331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 67204140331 in words is "sixty-seven billion, two hundred four million, one hundred forty thousand, three hundred thirty-one".