31453012034004 has 192 divisors, whose sum is σ = 84774870190080. Its totient is φ = 8982661754880.

The previous prime is 31453012033997. The next prime is 31453012034009. The reversal of 31453012034004 is 40043021035413.

It is a super-2 number, since 2×31453012034004² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31453012034009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 216457927 + ... + 216603185.

It is an arithmetic number, because the mean of its divisors is an integer number (441535782240).

Almost surely, 2^{31453012034004} 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 31453012034004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42387435095040).

31453012034004 is an abundant number, since it is smaller than the sum of its proper divisors (53321858156076).

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

31453012034004 is a wasteful number, since it uses less digits than its factorization.

31453012034004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146350 (or 146348 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 31453012034004 its reverse (40043021035413), we get a palindrome (71496033069417).

The spelling of 31453012034004 in words is "thirty-one trillion, four hundred fifty-three billion, twelve million, thirty-four thousand, four".