31050145422553 has 2 divisors, whose sum is σ = 31050145422554. Its totient is φ = 31050145422552.

The previous prime is 31050145422481. The next prime is 31050145422563. The reversal of 31050145422553 is 35522454105013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27348015398089 + 3702130024464 = 5229533^2 + 1924092^2 .

It is an emirp because it is prime and its reverse (35522454105013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31050145422553 - 2¹³ = 31050145414361 is a prime.

It is a super-2 number, since 2×31050145422553² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31050145422563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15525072711276 + 15525072711277.

It is an arithmetic number, because the mean of its divisors is an integer number (15525072711277).

Almost surely, 2^{31050145422553} is an apocalyptic number.

It is an amenable number.

31050145422553 is a deficient number, since it is larger than the sum of its proper divisors (1).

31050145422553 is an equidigital number, since it uses as much as digits as its factorization.

31050145422553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 31050145422553 its reverse (35522454105013), we get a palindrome (66572599527566).

The spelling of 31050145422553 in words is "thirty-one trillion, fifty billion, one hundred forty-five million, four hundred twenty-two thousand, five hundred fifty-three".