31151324134 has 16 divisors (see below), whose sum is σ = 53729895168. Its totient is φ = 13268661192.

The previous prime is 31151324119. The next prime is 31151324137. The reversal of 31151324134 is 43142315113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31151324137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6823162 + ... + 6827725.

It is an arithmetic number, because the mean of its divisors is an integer number (3358118448).

Almost surely, 2^31151324134 is an apocalyptic number.

31151324134 is a deficient number, since it is larger than the sum of its proper divisors (22578571034).

31151324134 is a wasteful number, since it uses less digits than its factorization.

31151324134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13651059.

The product of its digits is 4320, while the sum is 28.

Adding to 31151324134 its reverse (43142315113), we get a palindrome (74293639247).

The spelling of 31151324134 in words is "thirty-one billion, one hundred fifty-one million, three hundred twenty-four thousand, one hundred thirty-four".