31200132120001 has 16 divisors (see below), whose sum is σ = 34852520999296. Its totient is φ = 27745004359296.

The previous prime is 31200132119951. The next prime is 31200132120013. The reversal of 31200132120001 is 10002123100213.

It is a cyclic number.

It is not a de Polignac number, because 31200132120001 - 2²³ = 31200123731393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31200132120601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382248165 + ... + 382329778.

It is an arithmetic number, because the mean of its divisors is an integer number (2178282562456).

Almost surely, 2^{31200132120001} is an apocalyptic number.

It is an amenable number.

31200132120001 is a deficient number, since it is larger than the sum of its proper divisors (3652388879295).

31200132120001 is a wasteful number, since it uses less digits than its factorization.

31200132120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764578072.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31200132120001 its reverse (10002123100213), we get a palindrome (41202255220214).

The spelling of 31200132120001 in words is "thirty-one trillion, two hundred billion, one hundred thirty-two million, one hundred twenty thousand, one".