53942071031 has 2 divisors, whose sum is σ = 53942071032. Its totient is φ = 53942071030.

The previous prime is 53942070961. The next prime is 53942071037. The reversal of 53942071031 is 13017024935.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53942071031 is a prime.

It is a super-2 number, since 2×53942071031² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 53942070982 and 53942071000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53942071037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26971035515 + 26971035516.

It is an arithmetic number, because the mean of its divisors is an integer number (26971035516).

Almost surely, 2^53942071031 is an apocalyptic number.

53942071031 is a deficient number, since it is larger than the sum of its proper divisors (1).

53942071031 is an equidigital number, since it uses as much as digits as its factorization.

53942071031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

Adding to 53942071031 its reverse (13017024935), we get a palindrome (66959095966).

The spelling of 53942071031 in words is "fifty-three billion, nine hundred forty-two million, seventy-one thousand, thirty-one".