2031153091 has 16 divisors (see below), whose sum is σ = 2231093088. Its totient is φ = 1833811200.

The previous prime is 2031153083. The next prime is 2031153101. The reversal of 2031153091 is 1903511302.

It is a cyclic number.

It is not a de Polignac number, because 2031153091 - 2³ = 2031153083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031153491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1090501 + ... + 1092361.

It is an arithmetic number, because the mean of its divisors is an integer number (139443318).

Almost surely, 2^2031153091 is an apocalyptic number.

2031153091 is a deficient number, since it is larger than the sum of its proper divisors (199939997).

2031153091 is a wasteful number, since it uses less digits than its factorization.

2031153091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 2031153091 is about 45068.3158216501. The cubic root of 2031153091 is about 1266.4291140929.

Adding to 2031153091 its reverse (1903511302), we get a palindrome (3934664393).

The spelling of 2031153091 in words is "two billion, thirty-one million, one hundred fifty-three thousand, ninety-one".