2231542405051 has 4 divisors (see below), whose sum is σ = 2231720556192. Its totient is φ = 2231364253912.

The previous prime is 2231542405039. The next prime is 2231542405069. The reversal of 2231542405051 is 1505042451322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2231542405051 - 2¹³ = 2231542396859 is a prime.

It is a super-3 number, since 3×2231542405051³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2231542404998 and 2231542405016.

It is not an unprimeable number, because it can be changed into a prime (2231542405031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89056780 + ... + 89081833.

It is an arithmetic number, because the mean of its divisors is an integer number (557930139048).

Almost surely, 2^{2231542405051} is an apocalyptic number.

2231542405051 is a deficient number, since it is larger than the sum of its proper divisors (178151141).

2231542405051 is a wasteful number, since it uses less digits than its factorization.

2231542405051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178151140.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 2231542405051 its reverse (1505042451322), we get a palindrome (3736584856373).

The spelling of 2231542405051 in words is "two trillion, two hundred thirty-one billion, five hundred forty-two million, four hundred five thousand, fifty-one".