31143143114 has 8 divisors (see below), whose sum is σ = 46715481540. Its totient is φ = 15571315936.

The previous prime is 31143143041. The next prime is 31143143147. The reversal of 31143143114 is 41134134113.

It can be written as a sum of positive squares in 2 ways, for example, as 24259620025 + 6883523089 = 155755^2 + 82967^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122612 + ... + 278064.

Almost surely, 2^31143143114 is an apocalyptic number.

31143143114 is a deficient number, since it is larger than the sum of its proper divisors (15572338426).

31143143114 is a wasteful number, since it uses less digits than its factorization.

31143143114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255624.

The product of its digits is 1728, while the sum is 26.

Adding to 31143143114 its reverse (41134134113), we get a palindrome (72277277227).

Subtracting 31143143114 from its reverse (41134134113), we obtain a palindrome (9990990999).

The spelling of 31143143114 in words is "thirty-one billion, one hundred forty-three million, one hundred forty-three thousand, one hundred fourteen".