10431311004 has 72 divisors (see below), whose sum is σ = 27688229520. Its totient is φ = 3396175776.

The previous prime is 10431310997. The next prime is 10431311029. The reversal of 10431311004 is 40011313401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173574 + ... + 225810.

Almost surely, 2^10431311004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10431311004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13844114760).

10431311004 is an abundant number, since it is smaller than the sum of its proper divisors (17256918516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10431311004 is a wasteful number, since it uses less digits than its factorization.

10431311004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52336 (or 52285 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10431311004 its reverse (40011313401), we get a palindrome (50442624405).

The spelling of 10431311004 in words is "ten billion, four hundred thirty-one million, three hundred eleven thousand, four".