31201120122301 has 8 divisors (see below), whose sum is σ = 31552004059704. Its totient is φ = 30851547901440.

The previous prime is 31201120122241. The next prime is 31201120122307. The reversal of 31201120122301 is 10322102110213.

It can be written as a sum of positive squares in 4 ways, for example, as 11352081411225 + 19849038711076 = 3369285^2 + 4455226^2 .

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 31201120122301 - 2⁷ = 31201120122173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31201120122307) 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, 327881296 + ... + 327976441.

It is an arithmetic number, because the mean of its divisors is an integer number (3944000507463).

Almost surely, 2^{31201120122301} is an apocalyptic number.

It is an amenable number.

31201120122301 is a deficient number, since it is larger than the sum of its proper divisors (350883937403).

31201120122301 is a wasteful number, since it uses less digits than its factorization.

31201120122301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655858271.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31201120122301 its reverse (10322102110213), we get a palindrome (41523222232514).

The spelling of 31201120122301 in words is "thirty-one trillion, two hundred one billion, one hundred twenty million, one hundred twenty-two thousand, three hundred one".