31011022412 has 6 divisors (see below), whose sum is σ = 54269289228. Its totient is φ = 15505511204.

The previous prime is 31011022409. The next prime is 31011022499. The reversal of 31011022412 is 21422011013.

It is a super-2 number, since 2×31011022412² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3876377798 + ... + 3876377805.

It is an arithmetic number, because the mean of its divisors is an integer number (9044881538).

Almost surely, 2^31011022412 is an apocalyptic number.

It is an amenable number.

31011022412 is a deficient number, since it is larger than the sum of its proper divisors (23258266816).

31011022412 is a wasteful number, since it uses less digits than its factorization.

31011022412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7752755607 (or 7752755605 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 31011022412 its reverse (21422011013), we get a palindrome (52433033425).

The spelling of 31011022412 in words is "thirty-one billion, eleven million, twenty-two thousand, four hundred twelve".