311431003310040 has 32 divisors (see below), whose sum is σ = 934293009930480. Its totient is φ = 83048267549312.

The previous prime is 311431003310029. The next prime is 311431003310047. The reversal of 311431003310040 is 40013300134113.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311431003310047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297629180339 + ... + 1297629180578.

Almost surely, 2^{311431003310040} is an apocalyptic number.

311431003310040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

311431003310040 is an abundant number, since it is smaller than the sum of its proper divisors (622862006620440).

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

311431003310040 is a wasteful number, since it uses less digits than its factorization.

311431003310040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595258360931 (or 2595258360927 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 311431003310040 its reverse (40013300134113), we get a palindrome (351444303444153).

The spelling of 311431003310040 in words is "three hundred eleven trillion, four hundred thirty-one billion, three million, three hundred ten thousand, forty".