31230034101321 has 16 divisors (see below), whose sum is σ = 45425745623808. Its totient is φ = 18927192779600.

The previous prime is 31230034101269. The next prime is 31230034101323. The reversal of 31230034101321 is 12310143003213.

It is a cyclic number.

It is not a de Polignac number, because 31230034101321 - 2¹⁰ = 31230034100297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31230034101291 and 31230034101300.

It is not an unprimeable number, because it can be changed into a prime (31230034101323) 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, 4041610 + ... + 8876636.

It is an arithmetic number, because the mean of its divisors is an integer number (2839109101488).

Almost surely, 2^{31230034101321} is an apocalyptic number.

It is an amenable number.

31230034101321 is a deficient number, since it is larger than the sum of its proper divisors (14195711522487).

31230034101321 is a wasteful number, since it uses less digits than its factorization.

31230034101321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030772.

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

Adding to 31230034101321 its reverse (12310143003213), we get a palindrome (43540177104534).

The spelling of 31230034101321 in words is "thirty-one trillion, two hundred thirty billion, thirty-four million, one hundred one thousand, three hundred twenty-one".