31312000224851 has 2 divisors, whose sum is σ = 31312000224852. Its totient is φ = 31312000224850.

The previous prime is 31312000224847. The next prime is 31312000224859. The reversal of 31312000224851 is 15842200021313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31312000224851 - 2² = 31312000224847 is a prime.

It is a super-4 number, since 4×31312000224851⁴ (a number of 55 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (31312000224859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15656000112425 + 15656000112426.

It is an arithmetic number, because the mean of its divisors is an integer number (15656000112426).

Almost surely, 2^{31312000224851} is an apocalyptic number.

31312000224851 is a deficient number, since it is larger than the sum of its proper divisors (1).

31312000224851 is an equidigital number, since it uses as much as digits as its factorization.

31312000224851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 31312000224851 in words is "thirty-one trillion, three hundred twelve billion, two hundred twenty-four thousand, eight hundred fifty-one".