31453267212 has 18 divisors (see below), whose sum is σ = 79506869988. Its totient is φ = 10484422392.

The previous prime is 31453267207. The next prime is 31453267259. The reversal of 31453267212 is 21276235413.

31453267212 is a `hidden beast` number, since 314 + 5 + 326 + 7 + 2 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 873701867 = 31453267212 / (3 + 1 + 4 + 5 + 3 + 2 + 6 + 7 + 2 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 436850898 + ... + 436850969.

Almost surely, 2^31453267212 is an apocalyptic number.

It is an amenable number.

31453267212 is an abundant number, since it is smaller than the sum of its proper divisors (48053602776).

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

31453267212 is a wasteful number, since it uses less digits than its factorization.

31453267212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873701877 (or 873701872 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The spelling of 31453267212 in words is "thirty-one billion, four hundred fifty-three million, two hundred sixty-seven thousand, two hundred twelve".