31503454155463 has 2 divisors, whose sum is σ = 31503454155464. Its totient is φ = 31503454155462.

The previous prime is 31503454155421. The next prime is 31503454155553. The reversal of 31503454155463 is 36455145430513.

It is a weak prime.

It is an emirp because it is prime and its reverse (36455145430513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31503454155463 - 2³³ = 31494864220871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31503454150463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15751727077731 + 15751727077732.

It is an arithmetic number, because the mean of its divisors is an integer number (15751727077732).

Almost surely, 2^{31503454155463} is an apocalyptic number.

31503454155463 is a deficient number, since it is larger than the sum of its proper divisors (1).

31503454155463 is an equidigital number, since it uses as much as digits as its factorization.

31503454155463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480000, while the sum is 49.

Adding to 31503454155463 its reverse (36455145430513), we get a palindrome (67958599585976).

The spelling of 31503454155463 in words is "thirty-one trillion, five hundred three billion, four hundred fifty-four million, one hundred fifty-five thousand, four hundred sixty-three".