31454845351 has 2 divisors, whose sum is σ = 31454845352. Its totient is φ = 31454845350.

The previous prime is 31454845339. The next prime is 31454845421. The reversal of 31454845351 is 15354845413.

It is a weak prime.

It is an emirp because it is prime and its reverse (15354845413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31454845351 - 2¹⁵ = 31454812583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31454845298 and 31454845307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31454845451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15727422675 + 15727422676.

It is an arithmetic number, because the mean of its divisors is an integer number (15727422676).

Almost surely, 2^31454845351 is an apocalyptic number.

31454845351 is a deficient number, since it is larger than the sum of its proper divisors (1).

31454845351 is an equidigital number, since it uses as much as digits as its factorization.

31454845351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576000, while the sum is 43.

The spelling of 31454845351 in words is "thirty-one billion, four hundred fifty-four million, eight hundred forty-five thousand, three hundred fifty-one".