2031054402145 has 4 divisors (see below), whose sum is σ = 2437265282580. Its totient is φ = 1624843521712.

The previous prime is 2031054402119. The next prime is 2031054402149. The reversal of 2031054402145 is 5412044501302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1306092408336 + 724961993809 = 1142844^2 + 851447^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031054402145 - 2²⁹ = 2030517531233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2031054402149) 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 3 ways as a sum of consecutive naturals, for example, 203105440210 + ... + 203105440219.

It is an arithmetic number, because the mean of its divisors is an integer number (609316320645).

Almost surely, 2^{2031054402145} is an apocalyptic number.

It is an amenable number.

2031054402145 is a deficient number, since it is larger than the sum of its proper divisors (406210880435).

2031054402145 is an equidigital number, since it uses as much as digits as its factorization.

2031054402145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406210880434.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 2031054402145 its reverse (5412044501302), we get a palindrome (7443098903447).

The spelling of 2031054402145 in words is "two trillion, thirty-one billion, fifty-four million, four hundred two thousand, one hundred forty-five".