31112034492 has 192 divisors, whose sum is σ = 96629621760. Its totient is φ = 7605227520.

The previous prime is 31112034491. The next prime is 31112034493. The reversal of 31112034492 is 29443021113.

It is an interprime number because it is at equal distance from previous prime (31112034491) and next prime (31112034493).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112034491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1892484 + ... + 1908852.

It is an arithmetic number, because the mean of its divisors is an integer number (503279280).

Almost surely, 2^31112034492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31112034492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48314810880).

31112034492 is an abundant number, since it is smaller than the sum of its proper divisors (65517587268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31112034492 is a wasteful number, since it uses less digits than its factorization.

31112034492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16433 (or 16409 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 31112034492 in words is "thirty-one billion, one hundred twelve million, thirty-four thousand, four hundred ninety-two".