60645400031 has 2 divisors, whose sum is σ = 60645400032. Its totient is φ = 60645400030.

The previous prime is 60645400027. The next prime is 60645400033. The reversal of 60645400031 is 13000454606.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60645400031 - 2² = 60645400027 is a prime.

It is a super-2 number, since 2×60645400031² (a number of 22 digits) contains 22 as substring.

Together with 60645400033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 60645399967 and 60645400003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60645400033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30322700015 + 30322700016.

It is an arithmetic number, because the mean of its divisors is an integer number (30322700016).

Almost surely, 2^60645400031 is an apocalyptic number.

60645400031 is a deficient number, since it is larger than the sum of its proper divisors (1).

60645400031 is an equidigital number, since it uses as much as digits as its factorization.

60645400031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 60645400031 its reverse (13000454606), we get a palindrome (73645854637).

The spelling of 60645400031 in words is "sixty billion, six hundred forty-five million, four hundred thousand, thirty-one".