31140705101 has 12 divisors (see below), whose sum is σ = 35853770304. Its totient is φ = 26819742600.

The previous prime is 31140705097. The next prime is 31140705137. The reversal of 31140705101 is 10150704113.

It is a happy number.

It is not a de Polignac number, because 31140705101 - 2² = 31140705097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31140701101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3917045 + ... + 3924986.

It is an arithmetic number, because the mean of its divisors is an integer number (2987814192).

Almost surely, 2^31140705101 is an apocalyptic number.

It is an amenable number.

31140705101 is a deficient number, since it is larger than the sum of its proper divisors (4713065203).

31140705101 is a wasteful number, since it uses less digits than its factorization.

31140705101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7842080 (or 7842061 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

The spelling of 31140705101 in words is "thirty-one billion, one hundred forty million, seven hundred five thousand, one hundred one".