31214020401 has 24 divisors (see below), whose sum is σ = 48742624320. Its totient is φ = 19181300256.

The previous prime is 31214020391. The next prime is 31214020421. The reversal of 31214020401 is 10402041213.

31214020401 is a `hidden beast` number, since 31 + 214 + 0 + 20 + 401 = 666.

It is not a de Polignac number, because 31214020401 - 2⁷ = 31214020273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31214020421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2460405 + ... + 2473058.

It is an arithmetic number, because the mean of its divisors is an integer number (2030942680).

Almost surely, 2^31214020401 is an apocalyptic number.

It is an amenable number.

31214020401 is a deficient number, since it is larger than the sum of its proper divisors (17528603919).

31214020401 is a wasteful number, since it uses less digits than its factorization.

31214020401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933525 (or 4933522 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 31214020401 its reverse (10402041213), we get a palindrome (41616061614).

The spelling of 31214020401 in words is "thirty-one billion, two hundred fourteen million, twenty thousand, four hundred one".