31040001486 has 96 divisors (see below), whose sum is σ = 75648867840. Its totient is φ = 9126672192.

The previous prime is 31040001481. The next prime is 31040001541. The reversal of 31040001486 is 68410004013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31040001481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7355085 + ... + 7359303.

It is an arithmetic number, because the mean of its divisors is an integer number (788009040).

Almost surely, 2^31040001486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31040001486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37824433920).

31040001486 is an abundant number, since it is smaller than the sum of its proper divisors (44608866354).

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

31040001486 is a wasteful number, since it uses less digits than its factorization.

31040001486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5630 (or 5627 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 31040001486 its reverse (68410004013), we get a palindrome (99450005499).

The spelling of 31040001486 in words is "thirty-one billion, forty million, one thousand, four hundred eighty-six".