31003124421142 has 8 divisors (see below), whose sum is σ = 48526629528816. Its totient is φ = 14827581244872.

The previous prime is 31003124421083. The next prime is 31003124421167. The reversal of 31003124421142 is 24112442130013.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31003124421142² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31003124421142.

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 in 3 ways as a sum of consecutive naturals, for example, 336990482793 + ... + 336990482884.

It is an arithmetic number, because the mean of its divisors is an integer number (6065828691102).

Almost surely, 2^{31003124421142} is an apocalyptic number.

31003124421142 is a deficient number, since it is larger than the sum of its proper divisors (17523505107674).

31003124421142 is a wasteful number, since it uses less digits than its factorization.

31003124421142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673980965702.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 31003124421142 its reverse (24112442130013), we get a palindrome (55115566551155).

The spelling of 31003124421142 in words is "thirty-one trillion, three billion, one hundred twenty-four million, four hundred twenty-one thousand, one hundred forty-two".