31420303451613 has 48 divisors (see below), whose sum is σ = 46523803173120. Its totient is φ = 20427840755712.

The previous prime is 31420303451609. The next prime is 31420303451617. The reversal of 31420303451613 is 31615430302413.

31420303451613 is a `hidden beast` number, since 3 + 1 + 4 + 2 + 0 + 3 + 0 + 34 + 5 + 1 + 613 = 666.

It is an interprime number because it is at equal distance from previous prime (31420303451609) and next prime (31420303451617).

It is not a de Polignac number, because 31420303451613 - 2² = 31420303451609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31420303451617) 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 in 47 ways as a sum of consecutive naturals, for example, 266266681 + ... + 266384657.

It is an arithmetic number, because the mean of its divisors is an integer number (969245899440).

Almost surely, 2^{31420303451613} is an apocalyptic number.

It is an amenable number.

31420303451613 is a deficient number, since it is larger than the sum of its proper divisors (15103499721507).

31420303451613 is a wasteful number, since it uses less digits than its factorization.

31420303451613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122658 (or 122655 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 31420303451613 in words is "thirty-one trillion, four hundred twenty billion, three hundred three million, four hundred fifty-one thousand, six hundred thirteen".