2031305252445 has 48 divisors (see below), whose sum is σ = 4162674821760. Its totient is φ = 896576107392.

The previous prime is 2031305252401. The next prime is 2031305252551. The reversal of 2031305252445 is 5442525031302.

2031305252445 is a `hidden beast` number, since 20 + 31 + 30 + 52 + 524 + 4 + 5 = 666.

It is not a de Polignac number, because 2031305252445 - 2⁶ = 2031305252381 is a prime.

It is a super-2 number, since 2×2031305252445² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111173419 + ... + 111191688.

It is an arithmetic number, because the mean of its divisors is an integer number (86722392120).

Almost surely, 2^{2031305252445} is an apocalyptic number.

It is an amenable number.

2031305252445 is an abundant number, since it is smaller than the sum of its proper divisors (2131369569315).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031305252445 is a wasteful number, since it uses less digits than its factorization.

2031305252445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222365154 (or 222365151 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 2031305252445 in words is "two trillion, thirty-one billion, three hundred five million, two hundred fifty-two thousand, four hundred forty-five".