31306016401 has 8 divisors (see below), whose sum is σ = 34156425600. Its totient is φ = 28456341840.

The previous prime is 31306016383. The next prime is 31306016411. The reversal of 31306016401 is 10461060313.

It is a happy number.

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 31306016401 - 2⁹ = 31306015889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31306016411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92586 + ... + 266803.

It is an arithmetic number, because the mean of its divisors is an integer number (4269553200).

Almost surely, 2^31306016401 is an apocalyptic number.

It is an amenable number.

31306016401 is a deficient number, since it is larger than the sum of its proper divisors (2850409199).

31306016401 is a wasteful number, since it uses less digits than its factorization.

31306016401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367319.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 31306016401 its reverse (10461060313), we get a palindrome (41767076714).

The spelling of 31306016401 in words is "thirty-one billion, three hundred six million, sixteen thousand, four hundred one".