31203140014 has 4 divisors (see below), whose sum is σ = 46804710024. Its totient is φ = 15601570006.

The previous prime is 31203140011. The next prime is 31203140027. The reversal of 31203140014 is 41004130213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41004130213 = 809 ⋅50684957.

It is a junction number, because it is equal to n+sod(n) for n = 31203139973 and 31203140000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31203140011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7800785002 + ... + 7800785005.

It is an arithmetic number, because the mean of its divisors is an integer number (11701177506).

Almost surely, 2^31203140014 is an apocalyptic number.

31203140014 is a deficient number, since it is larger than the sum of its proper divisors (15601570010).

31203140014 is a wasteful number, since it uses less digits than its factorization.

31203140014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15601570009.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31203140014 its reverse (41004130213), we get a palindrome (72207270227).

The spelling of 31203140014 in words is "thirty-one billion, two hundred three million, one hundred forty thousand, fourteen".