31020133333232 has 20 divisors (see below), whose sum is σ = 60101819665176. Its totient is φ = 15509986322880.

The previous prime is 31020133333207. The next prime is 31020133333243. The reversal of 31020133333232 is 23233333102013.

It is a super-2 number, since 2×31020133333232² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31020133333195 and 31020133333204.

It is a congruent number.

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, 1772519 + ... + 8073542.

Almost surely, 2^{31020133333232} is an apocalyptic number.

It is an amenable number.

31020133333232 is a deficient number, since it is larger than the sum of its proper divisors (29081686331944).

31020133333232 is a wasteful number, since it uses less digits than its factorization.

31020133333232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10042976 (or 10042970 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 31020133333232 its reverse (23233333102013), we get a palindrome (54253466435245).

The spelling of 31020133333232 in words is "thirty-one trillion, twenty billion, one hundred thirty-three million, three hundred thirty-three thousand, two hundred thirty-two".