46135531231 has 4 divisors (see below), whose sum is σ = 46198992112. Its totient is φ = 46072070352.

The previous prime is 46135531177. The next prime is 46135531261. The reversal of 46135531231 is 13213553164.

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 46135531231 - 2¹⁹ = 46135006943 is a prime.

It is a super-2 number, since 2×46135531231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46135531261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31729350 + ... + 31730803.

It is an arithmetic number, because the mean of its divisors is an integer number (11549748028).

Almost surely, 2^46135531231 is an apocalyptic number.

46135531231 is a deficient number, since it is larger than the sum of its proper divisors (63460881).

46135531231 is an equidigital number, since it uses as much as digits as its factorization.

46135531231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63460880.

The product of its digits is 32400, while the sum is 34.

The spelling of 46135531231 in words is "forty-six billion, one hundred thirty-five million, five hundred thirty-one thousand, two hundred thirty-one".