31020001112 has 16 divisors (see below), whose sum is σ = 58423323840. Its totient is φ = 15440448096.

The previous prime is 31020001109. The next prime is 31020001147. The reversal of 31020001112 is 21110002013.

It is a junction number, because it is equal to n+sod(n) for n = 31020001093 and 31020001102.

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, 8692163 + ... + 8695730.

It is an arithmetic number, because the mean of its divisors is an integer number (3651457740).

Almost surely, 2^31020001112 is an apocalyptic number.

It is an amenable number.

31020001112 is a deficient number, since it is larger than the sum of its proper divisors (27403322728).

31020001112 is a wasteful number, since it uses less digits than its factorization.

31020001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17388122 (or 17388118 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 31020001112 its reverse (21110002013), we get a palindrome (52130003125).

Subtracting from 31020001112 its reverse (21110002013), we obtain a palindrome (9909999099).

The spelling of 31020001112 in words is "thirty-one billion, twenty million, one thousand, one hundred twelve".