1031143477412 has 24 divisors (see below), whose sum is σ = 1807973761440. Its totient is φ = 514579849920.

The previous prime is 1031143477379. The next prime is 1031143477423. The reversal of 1031143477412 is 2147743411301.

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, 14921123 + ... + 14990069.

It is an arithmetic number, because the mean of its divisors is an integer number (75332240060).

Almost surely, 2^{1031143477412} is an apocalyptic number.

It is an amenable number.

1031143477412 is a deficient number, since it is larger than the sum of its proper divisors (776830284028).

1031143477412 is a wasteful number, since it uses less digits than its factorization.

1031143477412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76091 (or 76089 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

Adding to 1031143477412 its reverse (2147743411301), we get a palindrome (3178886888713).

The spelling of 1031143477412 in words is "one trillion, thirty-one billion, one hundred forty-three million, four hundred seventy-seven thousand, four hundred twelve".