31434124202420 has 24 divisors (see below), whose sum is σ = 66011980903848. Its totient is φ = 12573588713600.

The previous prime is 31434124202389. The next prime is 31434124202443. The reversal of 31434124202420 is 2420242143413.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1874916764176 + 29559207438244 = 1369276^2 + 5436838^2 .

It is a super-2 number, since 2×31434124202420² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538430 + ... + 7947210.

It is an arithmetic number, because the mean of its divisors is an integer number (2750499204327).

Almost surely, 2^{31434124202420} is an apocalyptic number.

It is an amenable number.

31434124202420 is an abundant number, since it is smaller than the sum of its proper divisors (34577856701428).

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

31434124202420 is a wasteful number, since it uses less digits than its factorization.

31434124202420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7620931 (or 7620929 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 31434124202420 its reverse (2420242143413), we get a palindrome (33854366345833).

The spelling of 31434124202420 in words is "thirty-one trillion, four hundred thirty-four billion, one hundred twenty-four million, two hundred two thousand, four hundred twenty".