1387031658271 has 32 divisors (see below), whose sum is σ = 1603561107456. Its totient is φ = 1175186880000.

The previous prime is 1387031658253. The next prime is 1387031658281. The reversal of 1387031658271 is 1728561307831.

It is not a de Polignac number, because 1387031658271 - 2⁵ = 1387031658239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387031658241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272981451 + ... + 272986531.

It is an arithmetic number, because the mean of its divisors is an integer number (50111284608).

Almost surely, 2^{1387031658271} is an apocalyptic number.

1387031658271 is a deficient number, since it is larger than the sum of its proper divisors (216529449185).

1387031658271 is a wasteful number, since it uses less digits than its factorization.

1387031658271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 1387031658271 in words is "one trillion, three hundred eighty-seven billion, thirty-one million, six hundred fifty-eight thousand, two hundred seventy-one".