31132352327 has 4 divisors (see below), whose sum is σ = 31143889800. Its totient is φ = 31120814856.

The previous prime is 31132352309. The next prime is 31132352341. The reversal of 31132352327 is 72325323113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72325323113 = 8363 ⋅8648251.

It is a cyclic number.

It is not a de Polignac number, because 31132352327 - 2¹⁰ = 31132351303 is a prime.

It is a super-2 number, since 2×31132352327² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31132352293 and 31132352302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31132352357) 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, 5764688 + ... + 5770085.

It is an arithmetic number, because the mean of its divisors is an integer number (7785972450).

Almost surely, 2^31132352327 is an apocalyptic number.

31132352327 is a deficient number, since it is larger than the sum of its proper divisors (11537473).

31132352327 is a wasteful number, since it uses less digits than its factorization.

31132352327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11537472.

The product of its digits is 22680, while the sum is 32.

The spelling of 31132352327 in words is "thirty-one billion, one hundred thirty-two million, three hundred fifty-two thousand, three hundred twenty-seven".