31244103401 has 16 divisors (see below), whose sum is σ = 35974708224. Its totient is φ = 26581008384.

The previous prime is 31244103389. The next prime is 31244103403. The reversal of 31244103401 is 10430144213.

It is a de Polignac number, because none of the positive numbers 2^k-31244103401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31244103403) 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 15 ways as a sum of consecutive naturals, for example, 496361 + ... + 555753.

It is an arithmetic number, because the mean of its divisors is an integer number (2248419264).

Almost surely, 2^31244103401 is an apocalyptic number.

It is an amenable number.

31244103401 is a deficient number, since it is larger than the sum of its proper divisors (4730604823).

31244103401 is a wasteful number, since it uses less digits than its factorization.

31244103401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59960.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31244103401 its reverse (10430144213), we get a palindrome (41674247614).

The spelling of 31244103401 in words is "thirty-one billion, two hundred forty-four million, one hundred three thousand, four hundred one".