2231865013401 has 32 divisors (see below), whose sum is σ = 3333202145280. Its totient is φ = 1475883980928.

The previous prime is 2231865013387. The next prime is 2231865013423. The reversal of 2231865013401 is 1043105681322.

2231865013401 is a `hidden beast` number, since 2 + 2 + 31 + 86 + 501 + 3 + 40 + 1 = 666.

It is not a de Polignac number, because 2231865013401 - 2⁹ = 2231865012889 is a prime.

It is a super-3 number, since 3×2231865013401³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231865013481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16863055 + ... + 16994891.

It is an arithmetic number, because the mean of its divisors is an integer number (104162567040).

Almost surely, 2^{2231865013401} is an apocalyptic number.

It is an amenable number.

2231865013401 is a deficient number, since it is larger than the sum of its proper divisors (1101337131879).

2231865013401 is a wasteful number, since it uses less digits than its factorization.

2231865013401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136910 (or 136904 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 2231865013401 in words is "two trillion, two hundred thirty-one billion, eight hundred sixty-five million, thirteen thousand, four hundred one".