31100140002 has 16 divisors (see below), whose sum is σ = 62206765632. Its totient is φ = 10365632400.

The previous prime is 31100139989. The next prime is 31100140031. The reversal of 31100140002 is 20004100113.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31100140002.

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, 206749 + ... + 323952.

It is an arithmetic number, because the mean of its divisors is an integer number (3887922852).

Almost surely, 2^31100140002 is an apocalyptic number.

31100140002 is an abundant number, since it is smaller than the sum of its proper divisors (31106625630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31100140002 is a wasteful number, since it uses less digits than its factorization.

31100140002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540473.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 31100140002 its reverse (20004100113), we get a palindrome (51104240115).

The spelling of 31100140002 in words is "thirty-one billion, one hundred million, one hundred forty thousand, two".