31272047701 has 8 divisors (see below), whose sum is σ = 31413020184. Its totient is φ = 31131133440.

The previous prime is 31272047671. The next prime is 31272047753. The reversal of 31272047701 is 10774027213.

It can be written as a sum of positive squares in 4 ways, for example, as 13877075601 + 17394972100 = 117801^2 + 131890^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31272047701 - 2¹¹ = 31272045653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31272047101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1344765 + ... + 1367821.

It is an arithmetic number, because the mean of its divisors is an integer number (3926627523).

Almost surely, 2^31272047701 is an apocalyptic number.

It is an amenable number.

31272047701 is a deficient number, since it is larger than the sum of its proper divisors (140972483).

31272047701 is a wasteful number, since it uses less digits than its factorization.

31272047701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29111.

The product of its (nonzero) digits is 16464, while the sum is 34.

The spelling of 31272047701 in words is "thirty-one billion, two hundred seventy-two million, forty-seven thousand, seven hundred one".