31012140203 has 8 divisors (see below), whose sum is σ = 33843937536. Its totient is φ = 28182428200.

The previous prime is 31012140179. The next prime is 31012140221. The reversal of 31012140203 is 30204121013.

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 31012140203 - 2¹² = 31012136107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31012140403) 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, 490151 + ... + 549792.

It is an arithmetic number, because the mean of its divisors is an integer number (4230492192).

Almost surely, 2^31012140203 is an apocalyptic number.

31012140203 is a deficient number, since it is larger than the sum of its proper divisors (2831797333).

31012140203 is a wasteful number, since it uses less digits than its factorization.

31012140203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042665.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31012140203 its reverse (30204121013), we get a palindrome (61216261216).

The spelling of 31012140203 in words is "thirty-one billion, twelve million, one hundred forty thousand, two hundred three".