31454364501047 has 2 divisors, whose sum is σ = 31454364501048. Its totient is φ = 31454364501046.

The previous prime is 31454364501041. The next prime is 31454364501071. The reversal of 31454364501047 is 74010546345413.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31454364501047 - 2¹⁴ = 31454364484663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31454364500992 and 31454364501010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31454364501041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15727182250523 + 15727182250524.

It is an arithmetic number, because the mean of its divisors is an integer number (15727182250524).

Almost surely, 2^{31454364501047} is an apocalyptic number.

31454364501047 is a deficient number, since it is larger than the sum of its proper divisors (1).

31454364501047 is an equidigital number, since it uses as much as digits as its factorization.

31454364501047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 31454364501047 in words is "thirty-one trillion, four hundred fifty-four billion, three hundred sixty-four million, five hundred one thousand, forty-seven".