31340140012 has 24 divisors (see below), whose sum is σ = 55813861376. Its totient is φ = 15395719248.

The previous prime is 31340139997. The next prime is 31340140021. The reversal of 31340140012 is 21004104313.

It is a super-3 number, since 3×31340140012³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247158 + ... + 351805.

Almost surely, 2^31340140012 is an apocalyptic number.

It is an amenable number.

31340140012 is a deficient number, since it is larger than the sum of its proper divisors (24473721364).

31340140012 is a wasteful number, since it uses less digits than its factorization.

31340140012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599197 (or 599195 counting only the distinct ones).

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

Adding to 31340140012 its reverse (21004104313), we get a palindrome (52344244325).

The spelling of 31340140012 in words is "thirty-one billion, three hundred forty million, one hundred forty thousand, twelve".