31242111401 has 8 divisors (see below), whose sum is σ = 31306333344. Its totient is φ = 31177923840.

The previous prime is 31242111389. The next prime is 31242111413. The reversal of 31242111401 is 10411124213.

It is an interprime number because it is at equal distance from previous prime (31242111389) and next prime (31242111413).

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 31242111401 - 2¹⁰ = 31242110377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31242111451) 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, 2576585 + ... + 2588681.

It is an arithmetic number, because the mean of its divisors is an integer number (3913291668).

Almost surely, 2^31242111401 is an apocalyptic number.

It is an amenable number.

31242111401 is a deficient number, since it is larger than the sum of its proper divisors (64221943).

31242111401 is a wasteful number, since it uses less digits than its factorization.

31242111401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17191.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 31242111401 its reverse (10411124213), we get a palindrome (41653235614).

The spelling of 31242111401 in words is "thirty-one billion, two hundred forty-two million, one hundred eleven thousand, four hundred one".