2154311442232 has 8 divisors (see below), whose sum is σ = 4039333954200. Its totient is φ = 1077155721112.

The previous prime is 2154311442181. The next prime is 2154311442287. The reversal of 2154311442232 is 2322441134512.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×2154311442232³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134644465132 + ... + 134644465147.

It is an arithmetic number, because the mean of its divisors is an integer number (504916744275).

Almost surely, 2^{2154311442232} is an apocalyptic number.

It is an amenable number.

2154311442232 is a deficient number, since it is larger than the sum of its proper divisors (1885022511968).

2154311442232 is a wasteful number, since it uses less digits than its factorization.

2154311442232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269288930285 (or 269288930281 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

Adding to 2154311442232 its reverse (2322441134512), we get a palindrome (4476752576744).

The spelling of 2154311442232 in words is "two trillion, one hundred fifty-four billion, three hundred eleven million, four hundred forty-two thousand, two hundred thirty-two".