31330221001134 has 32 divisors (see below), whose sum is σ = 68364732274560. Its totient is φ = 9492911023200.

The previous prime is 31330221001133. The next prime is 31330221001181. The reversal of 31330221001134 is 43110012203313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31330221001133) 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, 26807032 + ... + 27951339.

It is an arithmetic number, because the mean of its divisors is an integer number (2136397883580).

Almost surely, 2^{31330221001134} is an apocalyptic number.

31330221001134 is an abundant number, since it is smaller than the sum of its proper divisors (37034511273426).

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

31330221001134 is a wasteful number, since it uses less digits than its factorization.

31330221001134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54767056.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 31330221001134 its reverse (43110012203313), we get a palindrome (74440233204447).

The spelling of 31330221001134 in words is "thirty-one trillion, three hundred thirty billion, two hundred twenty-one million, one thousand, one hundred thirty-four".