31450555213009 has 16 divisors (see below), whose sum is σ = 32499688777920. Its totient is φ = 30412098095040.

The previous prime is 31450555213003. The next prime is 31450555213019. The reversal of 31450555213009 is 90031255505413.

It is a cyclic number.

It is not a de Polignac number, because 31450555213009 - 2⁵ = 31450555212977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31450555213003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10166862 + ... + 12894424.

It is an arithmetic number, because the mean of its divisors is an integer number (2031230548620).

Almost surely, 2^{31450555213009} is an apocalyptic number.

It is an amenable number.

31450555213009 is a deficient number, since it is larger than the sum of its proper divisors (1049133564911).

31450555213009 is a wasteful number, since it uses less digits than its factorization.

31450555213009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729520.

The product of its (nonzero) digits is 405000, while the sum is 43.

The spelling of 31450555213009 in words is "thirty-one trillion, four hundred fifty billion, five hundred fifty-five million, two hundred thirteen thousand, nine".