53212420031 has 2 divisors, whose sum is σ = 53212420032. Its totient is φ = 53212420030.

The previous prime is 53212420013. The next prime is 53212420043. The reversal of 53212420031 is 13002421235.

Together with previous prime (53212420013) 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 a de Polignac number, because none of the positive numbers 2^k-53212420031 is a prime.

It is a super-2 number, since 2×53212420031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53212419979 and 53212420006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53212422031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26606210015 + 26606210016.

It is an arithmetic number, because the mean of its divisors is an integer number (26606210016).

Almost surely, 2^53212420031 is an apocalyptic number.

53212420031 is a deficient number, since it is larger than the sum of its proper divisors (1).

53212420031 is an equidigital number, since it uses as much as digits as its factorization.

53212420031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 53212420031 its reverse (13002421235), we get a palindrome (66214841266).

The spelling of 53212420031 in words is "fifty-three billion, two hundred twelve million, four hundred twenty thousand, thirty-one".