31213467374 has 8 divisors (see below), whose sum is σ = 47249744520. Its totient is φ = 15463552536.

The previous prime is 31213467353. The next prime is 31213467377. The reversal of 31213467374 is 47376431213.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31213467377) 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, 71590304 + ... + 71590739.

It is an arithmetic number, because the mean of its divisors is an integer number (5906218065).

Almost surely, 2^31213467374 is an apocalyptic number.

31213467374 is a deficient number, since it is larger than the sum of its proper divisors (16036277146).

31213467374 is a wasteful number, since it uses less digits than its factorization.

31213467374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143181154.

The product of its digits is 254016, while the sum is 41.

Adding to 31213467374 its reverse (47376431213), we get a palindrome (78589898587).

The spelling of 31213467374 in words is "thirty-one billion, two hundred thirteen million, four hundred sixty-seven thousand, three hundred seventy-four".