2531011355 has 4 divisors (see below), whose sum is σ = 3037213632. Its totient is φ = 2024809080.

The previous prime is 2531011339. The next prime is 2531011361. The reversal of 2531011355 is 5531101352.

It is a happy number.

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

It is not a de Polignac number, because 2531011355 - 2⁴ = 2531011339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 253101131 + ... + 253101140.

It is an arithmetic number, because the mean of its divisors is an integer number (759303408).

Almost surely, 2^2531011355 is an apocalyptic number.

2531011355 is a deficient number, since it is larger than the sum of its proper divisors (506202277).

2531011355 is an equidigital number, since it uses as much as digits as its factorization.

2531011355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506202276.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 2531011355 is about 50309.1577647649. The cubic root of 2531011355 is about 1362.7976139700.

The spelling of 2531011355 in words is "two billion, five hundred thirty-one million, eleven thousand, three hundred fifty-five".