31143000134 has 16 divisors (see below), whose sum is σ = 47034072576. Its totient is φ = 15465021000.

The previous prime is 31143000121. The next prime is 31143000143. The reversal of 31143000134 is 43100034113.

It is a super-3 number, since 3×31143000134³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1952339 + ... + 1968225.

It is an arithmetic number, because the mean of its divisors is an integer number (2939629536).

Almost surely, 2^31143000134 is an apocalyptic number.

31143000134 is a deficient number, since it is larger than the sum of its proper divisors (15891072442).

31143000134 is a wasteful number, since it uses less digits than its factorization.

31143000134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22531.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31143000134 its reverse (43100034113), we get a palindrome (74243034247).

The spelling of 31143000134 in words is "thirty-one billion, one hundred forty-three million, one hundred thirty-four", and thus it is an aban number.