263453541131 has 8 divisors (see below), whose sum is σ = 302530382400. Its totient is φ = 226897786440.

The previous prime is 263453541121. The next prime is 263453541151. The reversal of 263453541131 is 131145354362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 263453541131 - 2²² = 263449346827 is a prime.

It is a super-2 number, since 2×263453541131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263453541121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630271421 + ... + 630271838.

It is an arithmetic number, because the mean of its divisors is an integer number (37816297800).

Almost surely, 2^263453541131 is an apocalyptic number.

263453541131 is a deficient number, since it is larger than the sum of its proper divisors (39076841269).

263453541131 is a wasteful number, since it uses less digits than its factorization.

263453541131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260543289.

The product of its digits is 129600, while the sum is 38.

Adding to 263453541131 its reverse (131145354362), we get a palindrome (394598895493).

The spelling of 263453541131 in words is "two hundred sixty-three billion, four hundred fifty-three million, five hundred forty-one thousand, one hundred thirty-one".