31204343134 has 8 divisors (see below), whose sum is σ = 48316402368. Its totient is φ = 15098875680.

The previous prime is 31204343101. The next prime is 31204343141. The reversal of 31204343134 is 43134340213.

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

It is a super-2 number, since 2×31204343134² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251647867 + ... + 251647990.

It is an arithmetic number, because the mean of its divisors is an integer number (6039550296).

Almost surely, 2^31204343134 is an apocalyptic number.

31204343134 is a deficient number, since it is larger than the sum of its proper divisors (17112059234).

31204343134 is a wasteful number, since it uses less digits than its factorization.

31204343134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503295890.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31204343134 its reverse (43134340213), we get a palindrome (74338683347).

The spelling of 31204343134 in words is "thirty-one billion, two hundred four million, three hundred forty-three thousand, one hundred thirty-four".