2132347631 has 4 divisors (see below), whose sum is σ = 2141909952. Its totient is φ = 2122785312.

The previous prime is 2132347603. The next prime is 2132347661. The reversal of 2132347631 is 1367432312.

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 2132347631 - 2¹⁰ = 2132346607 is a prime.

It is a super-2 number, since 2×2132347631² = 9093812838862624322, which 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 (2132347601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4780826 + ... + 4781271.

It is an arithmetic number, because the mean of its divisors is an integer number (535477488).

Almost surely, 2^2132347631 is an apocalyptic number.

2132347631 is a deficient number, since it is larger than the sum of its proper divisors (9562321).

2132347631 is an equidigital number, since it uses as much as digits as its factorization.

2132347631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9562320.

The product of its digits is 18144, while the sum is 32.

The square root of 2132347631 is about 46177.3497615443. The cubic root of 2132347631 is about 1287.1208811926.

Adding to 2132347631 its reverse (1367432312), we get a palindrome (3499779943).

The spelling of 2132347631 in words is "two billion, one hundred thirty-two million, three hundred forty-seven thousand, six hundred thirty-one".