13131051 has 4 divisors (see below), whose sum is σ = 17508072. Its totient is φ = 8754032.

The previous prime is 13131037. The next prime is 13131061. The reversal of 13131051 is 15013131.

13131051 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13131051 - 2¹⁰ = 13130027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13131051.

It is not an unprimeable number, because it can be changed into a prime (13131031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2188506 + ... + 2188511.

It is an arithmetic number, because the mean of its divisors is an integer number (4377018).

Almost surely, 2^13131051 is an apocalyptic number.

13131051 is a deficient number, since it is larger than the sum of its proper divisors (4377021).

13131051 is an equidigital number, since it uses as much as digits as its factorization.

13131051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4377020.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 13131051 is about 3623.6792076562. The cubic root of 13131051 is about 235.9209433084.

Adding to 13131051 its reverse (15013131), we get a palindrome (28144182).

The spelling of 13131051 in words is "thirteen million, one hundred thirty-one thousand, fifty-one".