31004343554216 has 16 divisors (see below), whose sum is σ = 58194530814240. Its totient is φ = 15485802003760.

The previous prime is 31004343554183. The next prime is 31004343554267. The reversal of 31004343554216 is 61245534340013.

It is a happy number.

It is a super-2 number, since 2×31004343554216² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2046213620 + ... + 2046228771.

It is an arithmetic number, because the mean of its divisors is an integer number (3637158175890).

Almost surely, 2^{31004343554216} is an apocalyptic number.

It is an amenable number.

31004343554216 is a deficient number, since it is larger than the sum of its proper divisors (27190187260024).

31004343554216 is a wasteful number, since it uses less digits than its factorization.

31004343554216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092443344 (or 4092443340 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 31004343554216 its reverse (61245534340013), we get a palindrome (92249877894229).

The spelling of 31004343554216 in words is "thirty-one trillion, four billion, three hundred forty-three million, five hundred fifty-four thousand, two hundred sixteen".