31103240140010 has 16 divisors (see below), whose sum is σ = 55997493624072. Its totient is φ = 12438704640000.

The previous prime is 31103240139997. The next prime is 31103240140033. The reversal of 31103240140010 is 1004104230113.

It can be written as a sum of positive squares in 4 ways, for example, as 19020754515841 + 12082485624169 = 4361279^2 + 3475987^2 .

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, 323876591 + ... + 323972610.

Almost surely, 2^{31103240140010} is an apocalyptic number.

31103240140010 is a deficient number, since it is larger than the sum of its proper divisors (24894253484062).

31103240140010 is a wasteful number, since it uses less digits than its factorization.

31103240140010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647854009.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31103240140010 its reverse (1004104230113), we get a palindrome (32107344370123).

The spelling of 31103240140010 in words is "thirty-one trillion, one hundred three billion, two hundred forty million, one hundred forty thousand, ten".