223401541531 has 8 divisors (see below), whose sum is σ = 255319755264. Its totient is φ = 191484254760.

The previous prime is 223401541459. The next prime is 223401541579. The reversal of 223401541531 is 135145104322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223401541531 - 2¹⁵ = 223401508763 is a prime.

It is a super-2 number, since 2×223401541531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223401541493 and 223401541502.

It is not an unprimeable number, because it can be changed into a prime (223401541031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399246 + ... + 778588.

It is an arithmetic number, because the mean of its divisors is an integer number (31914969408).

Almost surely, 2^223401541531 is an apocalyptic number.

223401541531 is a deficient number, since it is larger than the sum of its proper divisors (31918213733).

223401541531 is an equidigital number, since it uses as much as digits as its factorization.

223401541531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463481.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 223401541531 its reverse (135145104322), we get a palindrome (358546645853).

The spelling of 223401541531 in words is "two hundred twenty-three billion, four hundred one million, five hundred forty-one thousand, five hundred thirty-one".