83263240131 has 4 divisors (see below), whose sum is σ = 111017653512. Its totient is φ = 55508826752.

The previous prime is 83263240097. The next prime is 83263240153. The reversal of 83263240131 is 13104236238.

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 83263240131 - 2¹³ = 83263231939 is a prime.

It is a super-2 number, since 2×83263240131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83263240092 and 83263240101.

It is not an unprimeable number, because it can be changed into a prime (83263240231) 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, 13877206686 + ... + 13877206691.

It is an arithmetic number, because the mean of its divisors is an integer number (27754413378).

Almost surely, 2^83263240131 is an apocalyptic number.

83263240131 is a deficient number, since it is larger than the sum of its proper divisors (27754413381).

83263240131 is a wasteful number, since it uses less digits than its factorization.

83263240131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27754413380.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 83263240131 its reverse (13104236238), we get a palindrome (96367476369).

The spelling of 83263240131 in words is "eighty-three billion, two hundred sixty-three million, two hundred forty thousand, one hundred thirty-one".