31025340204223 has 4 divisors (see below), whose sum is σ = 32095179521640. Its totient is φ = 29955500886808.

The previous prime is 31025340204197. The next prime is 31025340204263. The reversal of 31025340204223 is 32240204352013.

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

It is a cyclic number.

It is not a de Polignac number, because 31025340204223 - 2²⁹ = 31024803333311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31025340204263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534919658665 + ... + 534919658722.

It is an arithmetic number, because the mean of its divisors is an integer number (8023794880410).

Almost surely, 2^{31025340204223} is an apocalyptic number.

31025340204223 is a deficient number, since it is larger than the sum of its proper divisors (1069839317417).

31025340204223 is a wasteful number, since it uses less digits than its factorization.

31025340204223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069839317416.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 31025340204223 its reverse (32240204352013), we get a palindrome (63265544556236).

The spelling of 31025340204223 in words is "thirty-one trillion, twenty-five billion, three hundred forty million, two hundred four thousand, two hundred twenty-three".