31430605544212 has 24 divisors (see below), whose sum is σ = 63926655347520. Its totient is φ = 13241950034880.

The previous prime is 31430605544209. The next prime is 31430605544227. The reversal of 31430605544212 is 21244550603413.

It is a super-2 number, since 2×31430605544212² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9512893489 + ... + 9512896792.

It is an arithmetic number, because the mean of its divisors is an integer number (2663610639480).

Almost surely, 2^{31430605544212} is an apocalyptic number.

It is an amenable number.

31430605544212 is an abundant number, since it is smaller than the sum of its proper divisors (32496049803308).

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

31430605544212 is a wasteful number, since it uses less digits than its factorization.

31430605544212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19025790351 (or 19025790349 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 31430605544212 in words is "thirty-one trillion, four hundred thirty billion, six hundred five million, five hundred forty-four thousand, two hundred twelve".