305228852640031 has 2 divisors, whose sum is σ = 305228852640032. Its totient is φ = 305228852640030.

The previous prime is 305228852639957. The next prime is 305228852640043. The reversal of 305228852640031 is 130046258822503.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 305228852640031 - 2⁹ = 305228852639519 is a prime.

It is a super-2 number, since 2×305228852640031² (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 (305228852640731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152614426320015 + 152614426320016.

It is an arithmetic number, because the mean of its divisors is an integer number (152614426320016).

Almost surely, 2^{305228852640031} is an apocalyptic number.

305228852640031 is a deficient number, since it is larger than the sum of its proper divisors (1).

305228852640031 is an equidigital number, since it uses as much as digits as its factorization.

305228852640031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 305228852640031 in words is "three hundred five trillion, two hundred twenty-eight billion, eight hundred fifty-two million, six hundred forty thousand, thirty-one".