36481260331 has 4 divisors (see below), whose sum is σ = 36920793672. Its totient is φ = 36041726992.

The previous prime is 36481260323. The next prime is 36481260349. The reversal of 36481260331 is 13306218463.

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 36481260331 - 2³ = 36481260323 is a prime.

It is a super-3 number, since 3×36481260331³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36481260371) 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, 219766546 + ... + 219766711.

It is an arithmetic number, because the mean of its divisors is an integer number (9230198418).

Almost surely, 2^36481260331 is an apocalyptic number.

36481260331 is a deficient number, since it is larger than the sum of its proper divisors (439533341).

36481260331 is an equidigital number, since it uses as much as digits as its factorization.

36481260331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439533340.

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 36481260331 its reverse (13306218463), we get a palindrome (49787478794).

The spelling of 36481260331 in words is "thirty-six billion, four hundred eighty-one million, two hundred sixty thousand, three hundred thirty-one".