31023003134 has 4 divisors (see below), whose sum is σ = 46534504704. Its totient is φ = 15511501566.

The previous prime is 31023003131. The next prime is 31023003211. The reversal of 31023003134 is 43130032013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43130032013 = 51683 ⋅834511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023003131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7755750782 + ... + 7755750785.

It is an arithmetic number, because the mean of its divisors is an integer number (11633626176).

Almost surely, 2^31023003134 is an apocalyptic number.

31023003134 is a deficient number, since it is larger than the sum of its proper divisors (15511501570).

31023003134 is a wasteful number, since it uses less digits than its factorization.

31023003134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15511501569.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31023003134 its reverse (43130032013), we get a palindrome (74153035147).

The spelling of 31023003134 in words is "thirty-one billion, twenty-three million, three thousand, one hundred thirty-four".