31134243704 has 8 divisors (see below), whose sum is σ = 58376706960. Its totient is φ = 15567121848.

The previous prime is 31134243703. The next prime is 31134243709. The reversal of 31134243704 is 40734243113.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×31134243704² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31134243703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1945890224 + ... + 1945890239.

It is an arithmetic number, because the mean of its divisors is an integer number (7297088370).

Almost surely, 2^31134243704 is an apocalyptic number.

It is an amenable number.

31134243704 is a deficient number, since it is larger than the sum of its proper divisors (27242463256).

31134243704 is a wasteful number, since it uses less digits than its factorization.

31134243704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891780469 (or 3891780465 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

Adding to 31134243704 its reverse (40734243113), we get a palindrome (71868486817).

The spelling of 31134243704 in words is "thirty-one billion, one hundred thirty-four million, two hundred forty-three thousand, seven hundred four".