31420133431004 has 6 divisors (see below), whose sum is σ = 54985233504264. Its totient is φ = 15710066715500.

The previous prime is 31420133430977. The next prime is 31420133431039. The reversal of 31420133431004 is 40013433102413.

It is a happy number.

It is a super-3 number, since 3×31420133431004³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3927516678872 + ... + 3927516678879.

It is an arithmetic number, because the mean of its divisors is an integer number (9164205584044).

Almost surely, 2^{31420133431004} is an apocalyptic number.

It is an amenable number.

31420133431004 is a deficient number, since it is larger than the sum of its proper divisors (23565100073260).

31420133431004 is a wasteful number, since it uses less digits than its factorization.

31420133431004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7855033357755 (or 7855033357753 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 31420133431004 its reverse (40013433102413), we get a palindrome (71433566533417).

The spelling of 31420133431004 in words is "thirty-one trillion, four hundred twenty billion, one hundred thirty-three million, four hundred thirty-one thousand, four".