31031402001 has 8 divisors (see below), whose sum is σ = 41741355360. Its totient is φ = 20504524992.

The previous prime is 31031401991. The next prime is 31031402023. The reversal of 31031402001 is 10020413013.

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

It is a de Polignac number, because none of the positive numbers 2^k-31031402001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31031422001) 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 7 ways as a sum of consecutive naturals, for example, 45768691 + ... + 45769368.

It is an arithmetic number, because the mean of its divisors is an integer number (5217669420).

Almost surely, 2^31031402001 is an apocalyptic number.

It is an amenable number.

31031402001 is a deficient number, since it is larger than the sum of its proper divisors (10709953359).

31031402001 is a wasteful number, since it uses less digits than its factorization.

31031402001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91538175.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31031402001 its reverse (10020413013), we get a palindrome (41051815014).

The spelling of 31031402001 in words is "thirty-one billion, thirty-one million, four hundred two thousand, one".