31094032225 has 9 divisors (see below), whose sum is σ = 38557693267. Its totient is φ = 24874520440.

The previous prime is 31094032217. The next prime is 31094032273. The reversal of 31094032225 is 52223049013.

The square root of 31094032225 is 176335.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11193851601 + 19900180624 = 105801^2 + 141068^2 .

It is not a de Polignac number, because 31094032225 - 2³ = 31094032217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 864042 + ... + 899308.

Almost surely, 2^31094032225 is an apocalyptic number.

31094032225 is the 176335-th square number.

31094032225 is the 88168-th centered octagonal number.

It is an amenable number.

31094032225 is a deficient number, since it is larger than the sum of its proper divisors (7463661042).

31094032225 is an frugal number, since it uses more digits than its factorization.

31094032225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70544 (or 35272 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 31094032225 in words is "thirty-one billion, ninety-four million, thirty-two thousand, two hundred twenty-five".