31440134201 has 8 divisors (see below), whose sum is σ = 35994513984. Its totient is φ = 26901487440.

The previous prime is 31440134197. The next prime is 31440134221. The reversal of 31440134201 is 10243104413.

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 31440134201 - 2² = 31440134197 is a prime.

It is a super-3 number, since 3×31440134201³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31440134221) 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, 3928970 + ... + 3936963.

It is an arithmetic number, because the mean of its divisors is an integer number (4499314248).

Almost surely, 2^31440134201 is an apocalyptic number.

It is an amenable number.

31440134201 is a deficient number, since it is larger than the sum of its proper divisors (4554379783).

31440134201 is an equidigital number, since it uses as much as digits as its factorization.

31440134201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7866511.

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

Adding to 31440134201 its reverse (10243104413), we get a palindrome (41683238614).

The spelling of 31440134201 in words is "thirty-one billion, four hundred forty million, one hundred thirty-four thousand, two hundred one".