31816148041 has 8 divisors (see below), whose sum is σ = 32681246400. Its totient is φ = 30951323568.

The previous prime is 31816147997. The next prime is 31816148069. The reversal of 31816148041 is 14084161813.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31816148041 - 2³¹ = 29668664393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31816142041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179010 + ... + 309316.

It is an arithmetic number, because the mean of its divisors is an integer number (4085155800).

Almost surely, 2^31816148041 is an apocalyptic number.

It is an amenable number.

31816148041 is a deficient number, since it is larger than the sum of its proper divisors (865098359).

31816148041 is a wasteful number, since it uses less digits than its factorization.

31816148041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136943.

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 31816148041 in words is "thirty-one billion, eight hundred sixteen million, one hundred forty-eight thousand, forty-one".