31210421134 has 8 divisors (see below), whose sum is σ = 47021868648. Its totient is φ = 15536464920.

The previous prime is 31210421129. The next prime is 31210421183. The reversal of 31210421134 is 43112401213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34372257 + ... + 34373164.

It is an arithmetic number, because the mean of its divisors is an integer number (5877733581).

Almost surely, 2^31210421134 is an apocalyptic number.

31210421134 is a deficient number, since it is larger than the sum of its proper divisors (15811447514).

31210421134 is a wasteful number, since it uses less digits than its factorization.

31210421134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68745650.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31210421134 its reverse (43112401213), we get a palindrome (74322822347).

The spelling of 31210421134 in words is "thirty-one billion, two hundred ten million, four hundred twenty-one thousand, one hundred thirty-four".