31123203114 has 32 divisors (see below), whose sum is σ = 64377884160. Its totient is φ = 10020441600.

The previous prime is 31123203049. The next prime is 31123203121. The reversal of 31123203114 is 41130232113.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63679 + ... + 257490.

It is an arithmetic number, because the mean of its divisors is an integer number (2011808880).

Almost surely, 2^31123203114 is an apocalyptic number.

31123203114 is an abundant number, since it is smaller than the sum of its proper divisors (33254681046).

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

31123203114 is a wasteful number, since it uses less digits than its factorization.

31123203114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321726.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31123203114 its reverse (41130232113), we get a palindrome (72253435227).

The spelling of 31123203114 in words is "thirty-one billion, one hundred twenty-three million, two hundred three thousand, one hundred fourteen".