31031130134 has 16 divisors (see below), whose sum is σ = 47002214736. Its totient is φ = 15363852000.

The previous prime is 31031130131. The next prime is 31031130139. The reversal of 31031130134 is 43103113013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31031130131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479084 + ... + 539984.

It is an arithmetic number, because the mean of its divisors is an integer number (2937638421).

Almost surely, 2^31031130134 is an apocalyptic number.

31031130134 is a deficient number, since it is larger than the sum of its proper divisors (15971084602).

31031130134 is a wasteful number, since it uses less digits than its factorization.

31031130134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63391.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31031130134 its reverse (43103113013), we get a palindrome (74134243147).

The spelling of 31031130134 in words is "thirty-one billion, thirty-one million, one hundred thirty thousand, one hundred thirty-four".