31232004203400 has 1152 divisors, whose sum is σ = 130933609712640. Its totient is φ = 5980276224000.

The previous prime is 31232004203333. The next prime is 31232004203417. The reversal of 31232004203400 is 430240023213.

It is a super-2 number, since 2×31232004203400² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 5020412290 + ... + 5020418510.

It is an arithmetic number, because the mean of its divisors is an integer number (113657647320).

Almost surely, 2^{31232004203400} is an apocalyptic number.

31232004203400 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 31232004203400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65466804856320).

31232004203400 is an abundant number, since it is smaller than the sum of its proper divisors (99701605509240).

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

31232004203400 is a wasteful number, since it uses less digits than its factorization.

31232004203400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6927 (or 6905 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 31232004203400 its reverse (430240023213), we get a palindrome (31662244226613).

The spelling of 31232004203400 in words is "thirty-one trillion, two hundred thirty-two billion, four million, two hundred three thousand, four hundred".