31425280459 has 2 divisors, whose sum is σ = 31425280460. Its totient is φ = 31425280458.

The previous prime is 31425280457. The next prime is 31425280463. The reversal of 31425280459 is 95408252413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31425280459 - 2¹ = 31425280457 is a prime.

Together with 31425280457, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (31425280457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15712640229 + 15712640230.

It is an arithmetic number, because the mean of its divisors is an integer number (15712640230).

Almost surely, 2^31425280459 is an apocalyptic number.

31425280459 is a deficient number, since it is larger than the sum of its proper divisors (1).

31425280459 is an equidigital number, since it uses as much as digits as its factorization.

31425280459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 31425280459 in words is "thirty-one billion, four hundred twenty-five million, two hundred eighty thousand, four hundred fifty-nine".