31130222231001 has 8 divisors (see below), whose sum is σ = 43311613538880. Its totient is φ = 19851156205232.

The previous prime is 31130222230993. The next prime is 31130222231011. The reversal of 31130222231001 is 10013222203113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31130222231001 - 2³ = 31130222230993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31130222231011) 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 in 7 ways as a sum of consecutive naturals, for example, 225581320446 + ... + 225581320583.

It is an arithmetic number, because the mean of its divisors is an integer number (5413951692360).

Almost surely, 2^{31130222231001} is an apocalyptic number.

It is an amenable number.

31130222231001 is a deficient number, since it is larger than the sum of its proper divisors (12181391307879).

31130222231001 is a wasteful number, since it uses less digits than its factorization.

31130222231001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451162641055.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31130222231001 its reverse (10013222203113), we get a palindrome (41143444434114).

The spelling of 31130222231001 in words is "thirty-one trillion, one hundred thirty billion, two hundred twenty-two million, two hundred thirty-one thousand, one".