31420121330430 has 192 divisors, whose sum is σ = 99192375584640. Its totient is φ = 6746687603712.

The previous prime is 31420121330407. The next prime is 31420121330431. The reversal of 31420121330430 is 3403312102413.

It is a happy number.

31420121330430 is a `hidden beast` number, since 3 + 1 + 4 + 201 + 21 + 3 + 3 + 0 + 430 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31420121330394 and 31420121330403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31420121330431) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22564089 + ... + 23916068.

It is an arithmetic number, because the mean of its divisors is an integer number (516626956170).

Almost surely, 2^{31420121330430} is an apocalyptic number.

31420121330430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31420121330430 is an abundant number, since it is smaller than the sum of its proper divisors (67772254254210).

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

31420121330430 is a wasteful number, since it uses less digits than its factorization.

31420121330430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46480243 (or 46480240 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 31420121330430 its reverse (3403312102413), we get a palindrome (34823433432843).

The spelling of 31420121330430 in words is "thirty-one trillion, four hundred twenty billion, one hundred twenty-one million, three hundred thirty thousand, four hundred thirty".