361368123131 has 4 divisors (see below), whose sum is σ = 361757110200. Its totient is φ = 360979136064.

The previous prime is 361368123107. The next prime is 361368123143. The reversal of 361368123131 is 131321863163.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361368123131 is a prime.

It is a super-2 number, since 2×361368123131² (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 (361368123031) 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, 194492141 + ... + 194493998.

It is an arithmetic number, because the mean of its divisors is an integer number (90439277550).

Almost surely, 2^361368123131 is an apocalyptic number.

361368123131 is a deficient number, since it is larger than the sum of its proper divisors (388987069).

361368123131 is an equidigital number, since it uses as much as digits as its factorization.

361368123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388987068.

The product of its digits is 46656, while the sum is 38.

Adding to 361368123131 its reverse (131321863163), we get a palindrome (492689986294).

The spelling of 361368123131 in words is "three hundred sixty-one billion, three hundred sixty-eight million, one hundred twenty-three thousand, one hundred thirty-one".