31040412000 has 192 divisors, whose sum is σ = 109511123904. Its totient is φ = 7640678400.

The previous prime is 31040411999. The next prime is 31040412019. The reversal of 31040412000 is 21404013.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56512 + ... + 255488.

It is an arithmetic number, because the mean of its divisors is an integer number (570370437).

Almost surely, 2^31040412000 is an apocalyptic number.

31040412000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31040412000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54755561952).

31040412000 is an abundant number, since it is smaller than the sum of its proper divisors (78470711904).

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

31040412000 is a wasteful number, since it uses less digits than its factorization.

31040412000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199018 (or 199000 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 31040412000 its reverse (21404013), we get a palindrome (31061816013).

The spelling of 31040412000 in words is "thirty-one billion, forty million, four hundred twelve thousand".