31112243029 has 16 divisors (see below), whose sum is σ = 35688140800. Its totient is φ = 26569320624.

The previous prime is 31112243003. The next prime is 31112243047. The reversal of 31112243029 is 92034221113.

It is a happy number.

It is not a de Polignac number, because 31112243029 - 2⁷ = 31112242901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31112242988 and 31112243006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112243069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2750824 + ... + 2762110.

It is an arithmetic number, because the mean of its divisors is an integer number (2230508800).

Almost surely, 2^31112243029 is an apocalyptic number.

It is an amenable number.

31112243029 is a deficient number, since it is larger than the sum of its proper divisors (4575897771).

31112243029 is a wasteful number, since it uses less digits than its factorization.

31112243029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12712.

The product of its (nonzero) digits is 2592, while the sum is 28.

It can be divided in two parts, 3111 and 2243029, that added together give a triangular number (2246140 = T₂₁₁₉).

The spelling of 31112243029 in words is "thirty-one billion, one hundred twelve million, two hundred forty-three thousand, twenty-nine".