405210055031 has 2 divisors, whose sum is σ = 405210055032. Its totient is φ = 405210055030.

The previous prime is 405210055027. The next prime is 405210055049. The reversal of 405210055031 is 130550012504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 405210055031 - 2² = 405210055027 is a prime.

It is a super-2 number, since 2×405210055031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405210055001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202605027515 + 202605027516.

It is an arithmetic number, because the mean of its divisors is an integer number (202605027516).

Almost surely, 2^405210055031 is an apocalyptic number.

405210055031 is a deficient number, since it is larger than the sum of its proper divisors (1).

405210055031 is an equidigital number, since it uses as much as digits as its factorization.

405210055031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 405210055031 its reverse (130550012504), we get a palindrome (535760067535).

The spelling of 405210055031 in words is "four hundred five billion, two hundred ten million, fifty-five thousand, thirty-one".