31001003196 has 12 divisors (see below), whose sum is σ = 72335674152. Its totient is φ = 10333667728.

The previous prime is 31001003141. The next prime is 31001003197. The reversal of 31001003196 is 69130010013.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×31001003196² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31001003197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1291708455 + ... + 1291708478.

It is an arithmetic number, because the mean of its divisors is an integer number (6027972846).

Almost surely, 2^31001003196 is an apocalyptic number.

It is an amenable number.

31001003196 is an abundant number, since it is smaller than the sum of its proper divisors (41334670956).

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

31001003196 is a wasteful number, since it uses less digits than its factorization.

31001003196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583416940 (or 2583416938 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The spelling of 31001003196 in words is "thirty-one billion, one million, three thousand, one hundred ninety-six".