31203112141 has 8 divisors (see below), whose sum is σ = 31889314944. Its totient is φ = 30517838880.

The previous prime is 31203112133. The next prime is 31203112183. The reversal of 31203112141 is 14121130213.

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 31203112141 - 2³ = 31203112133 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 (31203112741) 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, 164295 + ... + 298996.

It is an arithmetic number, because the mean of its divisors is an integer number (3986164368).

Almost surely, 2^31203112141 is an apocalyptic number.

It is an amenable number.

31203112141 is a deficient number, since it is larger than the sum of its proper divisors (686202803).

31203112141 is a wasteful number, since it uses less digits than its factorization.

31203112141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464771.

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

Adding to 31203112141 its reverse (14121130213), we get a palindrome (45324242354).

The spelling of 31203112141 in words is "thirty-one billion, two hundred three million, one hundred twelve thousand, one hundred forty-one".