214040140231031 has 4 divisors (see below), whose sum is σ = 214040820670872. Its totient is φ = 214039459791192.

The previous prime is 214040140230991. The next prime is 214040140231067. The reversal of 214040140231031 is 130132041040412.

214040140231031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214040140231031 is a prime.

It is a super-2 number, since 2×214040140231031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214040140234031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339747860 + ... + 340377273.

It is an arithmetic number, because the mean of its divisors is an integer number (53510205167718).

Almost surely, 2^{214040140231031} is an apocalyptic number.

214040140231031 is a deficient number, since it is larger than the sum of its proper divisors (680439841).

214040140231031 is an equidigital number, since it uses as much as digits as its factorization.

214040140231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680439840.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 214040140231031 its reverse (130132041040412), we get a palindrome (344172181271443).

The spelling of 214040140231031 in words is "two hundred fourteen trillion, forty billion, one hundred forty million, two hundred thirty-one thousand, thirty-one".