31143424030 has 32 divisors (see below), whose sum is σ = 56412889344. Its totient is φ = 12378748416.

The previous prime is 31143423979. The next prime is 31143424061. The reversal of 31143424030 is 3042434113.

It is a junction number, because it is equal to n+sod(n) for n = 31143423986 and 31143424004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1229574 + ... + 1254646.

It is an arithmetic number, because the mean of its divisors is an integer number (1762902792).

Almost surely, 2^31143424030 is an apocalyptic number.

31143424030 is a deficient number, since it is larger than the sum of its proper divisors (25269465314).

31143424030 is a wasteful number, since it uses less digits than its factorization.

31143424030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25860.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31143424030 its reverse (3042434113), we get a palindrome (34185858143).

The spelling of 31143424030 in words is "thirty-one billion, one hundred forty-three million, four hundred twenty-four thousand, thirty".