231545053141 has 16 divisors (see below), whose sum is σ = 233002091520. Its totient is φ = 230094572400.

The previous prime is 231545053127. The next prime is 231545053147. The reversal of 231545053141 is 141350545132.

It is a cyclic number.

It is not a de Polignac number, because 231545053141 - 2¹¹ = 231545051093 is a prime.

It is a super-2 number, since 2×231545053141² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231545053097 and 231545053106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231545053147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159575466 + ... + 159576916.

It is an arithmetic number, because the mean of its divisors is an integer number (14562630720).

Almost surely, 2^231545053141 is an apocalyptic number.

It is an amenable number.

231545053141 is a deficient number, since it is larger than the sum of its proper divisors (1457038379).

231545053141 is a wasteful number, since it uses less digits than its factorization.

231545053141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 231545053141 its reverse (141350545132), we get a palindrome (372895598273).

The spelling of 231545053141 in words is "two hundred thirty-one billion, five hundred forty-five million, fifty-three thousand, one hundred forty-one".