31302133104009 has 4 divisors (see below), whose sum is σ = 41736177472016. Its totient is φ = 20868088736004.

The previous prime is 31302133104001. The next prime is 31302133104017. The reversal of 31302133104009 is 90040133120313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (31302133104001) and next prime (31302133104017).

It is not a de Polignac number, because 31302133104009 - 2³ = 31302133104001 is a prime.

It is a super-2 number, since 2×31302133104009² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31302133104001) 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, 5217022183999 + ... + 5217022184004.

It is an arithmetic number, because the mean of its divisors is an integer number (10434044368004).

Almost surely, 2^{31302133104009} is an apocalyptic number.

It is an amenable number.

31302133104009 is a deficient number, since it is larger than the sum of its proper divisors (10434044368007).

31302133104009 is a wasteful number, since it uses less digits than its factorization.

31302133104009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10434044368006.

The product of its (nonzero) digits is 5832, while the sum is 30.

The spelling of 31302133104009 in words is "thirty-one trillion, three hundred two billion, one hundred thirty-three million, one hundred four thousand, nine".