2031066153857 has 16 divisors (see below), whose sum is σ = 2191847989968. Its totient is φ = 1870937241600.

The previous prime is 2031066153847. The next prime is 2031066153911. The reversal of 2031066153857 is 7583516601302.

It can be written as a sum of positive squares in 8 ways, for example, as 117834979441 + 1913231174416 = 343271^2 + 1383196^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031066153857 - 2³⁴ = 2013886284673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2031066153827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14080733 + ... + 14224245.

It is an arithmetic number, because the mean of its divisors is an integer number (136990499373).

Almost surely, 2^{2031066153857} is an apocalyptic number.

It is an amenable number.

2031066153857 is a deficient number, since it is larger than the sum of its proper divisors (160781836111).

2031066153857 is a wasteful number, since it uses less digits than its factorization.

2031066153857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145780.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 2031066153857 in words is "two trillion, thirty-one billion, sixty-six million, one hundred fifty-three thousand, eight hundred fifty-seven".