225554045401031 has 2 divisors, whose sum is σ = 225554045401032. Its totient is φ = 225554045401030.

The previous prime is 225554045400991. The next prime is 225554045401063. The reversal of 225554045401031 is 130104540455522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225554045401031 - 2³⁴ = 225536865531847 is a prime.

It is a super-2 number, since 2×225554045401031² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225554045401031.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225554045401231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112777022700515 + 112777022700516.

It is an arithmetic number, because the mean of its divisors is an integer number (112777022700516).

Almost surely, 2^{225554045401031} is an apocalyptic number.

225554045401031 is a deficient number, since it is larger than the sum of its proper divisors (1).

225554045401031 is an equidigital number, since it uses as much as digits as its factorization.

225554045401031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 225554045401031 its reverse (130104540455522), we get a palindrome (355658585856553).

The spelling of 225554045401031 in words is "two hundred twenty-five trillion, five hundred fifty-four billion, forty-five million, four hundred one thousand, thirty-one".