31272043311 has 12 divisors (see below), whose sum is σ = 47134674288. Its totient is φ = 19941592704.

The previous prime is 31272043301. The next prime is 31272043349. The reversal of 31272043311 is 11334027213.

It is a happy number.

31272043311 is a `hidden beast` number, since 3 + 127 + 204 + 331 + 1 = 666.

It is not a de Polignac number, because 31272043311 - 2⁵ = 31272043279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31272043301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75536130 + ... + 75536543.

It is an arithmetic number, because the mean of its divisors is an integer number (3927889524).

Almost surely, 2^31272043311 is an apocalyptic number.

31272043311 is a deficient number, since it is larger than the sum of its proper divisors (15862630977).

31272043311 is a wasteful number, since it uses less digits than its factorization.

31272043311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151072702 (or 151072699 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The spelling of 31272043311 in words is "thirty-one billion, two hundred seventy-two million, forty-three thousand, three hundred eleven".