2231030672522 has 4 divisors (see below), whose sum is σ = 3346546008786. Its totient is φ = 1115515336260.

The previous prime is 2231030672509. The next prime is 2231030672539. The reversal of 2231030672522 is 2252760301322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2202644825161 + 28385847361 = 1484131^2 + 168481^2 .

It is a super-3 number, since 3×2231030672522³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557757668129 + ... + 557757668132.

Almost surely, 2^{2231030672522} is an apocalyptic number.

2231030672522 is a deficient number, since it is larger than the sum of its proper divisors (1115515336264).

2231030672522 is a wasteful number, since it uses less digits than its factorization.

2231030672522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115515336263.

The product of its (nonzero) digits is 60480, while the sum is 35.

Adding to 2231030672522 its reverse (2252760301322), we get a palindrome (4483790973844).

The spelling of 2231030672522 in words is "two trillion, two hundred thirty-one billion, thirty million, six hundred seventy-two thousand, five hundred twenty-two".