31321223062134 has 32 divisors (see below), whose sum is σ = 64054149014016. Its totient is φ = 10205671684320.

The previous prime is 31321223062133. The next prime is 31321223062141. The reversal of 31321223062134 is 43126032212313.

It is a junction number, because it is equal to n+sod(n) for n = 31321223062095 and 31321223062104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31321223062133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68247357 + ... + 68704760.

It is an arithmetic number, because the mean of its divisors is an integer number (2001692156688).

Almost surely, 2^{31321223062134} is an apocalyptic number.

31321223062134 is an abundant number, since it is smaller than the sum of its proper divisors (32732925951882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31321223062134 is a wasteful number, since it uses less digits than its factorization.

31321223062134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136952980.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 31321223062134 its reverse (43126032212313), we get a palindrome (74447255274447).

The spelling of 31321223062134 in words is "thirty-one trillion, three hundred twenty-one billion, two hundred twenty-three million, sixty-two thousand, one hundred thirty-four".