131361521235 has 16 divisors (see below), whose sum is σ = 240203924736. Its totient is φ = 60050981088.

The previous prime is 131361521227. The next prime is 131361521243. The reversal of 131361521235 is 532125163131.

It is an interprime number because it is at equal distance from previous prime (131361521227) and next prime (131361521243).

It is not a de Polignac number, because 131361521235 - 2³ = 131361521227 is a prime.

It is a super-2 number, since 2×131361521235² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131361521196 and 131361521205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625530949 + ... + 625531158.

It is an arithmetic number, because the mean of its divisors is an integer number (15012745296).

Almost surely, 2^131361521235 is an apocalyptic number.

131361521235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131361521235 is a deficient number, since it is larger than the sum of its proper divisors (108842403501).

131361521235 is a wasteful number, since it uses less digits than its factorization.

131361521235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251062122.

The product of its digits is 16200, while the sum is 33.

Adding to 131361521235 its reverse (532125163131), we get a palindrome (663486684366).

The spelling of 131361521235 in words is "one hundred thirty-one billion, three hundred sixty-one million, five hundred twenty-one thousand, two hundred thirty-five".