2231100011389 has 2 divisors, whose sum is σ = 2231100011390. Its totient is φ = 2231100011388.

The previous prime is 2231100011347. The next prime is 2231100011471. The reversal of 2231100011389 is 9831100011322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2231050068900 + 49942489 = 1493670^2 + 7067^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231100011389 - 2²¹ = 2231097914237 is a prime.

It is a super-3 number, since 3×2231100011389³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231100011389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231100011489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115550005694 + 1115550005695.

It is an arithmetic number, because the mean of its divisors is an integer number (1115550005695).

Almost surely, 2^{2231100011389} is an apocalyptic number.

It is an amenable number.

2231100011389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231100011389 is an equidigital number, since it uses as much as digits as its factorization.

2231100011389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 2231100011389 in words is "two trillion, two hundred thirty-one billion, one hundred million, eleven thousand, three hundred eighty-nine".