420111233142431 has 8 divisors (see below), whose sum is σ = 420130713697344. Its totient is φ = 420091753093920.

The previous prime is 420111233142427. The next prime is 420111233142487. The reversal of 420111233142431 is 134241332111024.

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 420111233142431 - 2² = 420111233142427 is a prime.

It is a super-2 number, since 2×420111233142431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420111233142401) 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, 3492339521 + ... + 3492459813.

It is an arithmetic number, because the mean of its divisors is an integer number (52516339212168).

Almost surely, 2^{420111233142431} is an apocalyptic number.

420111233142431 is a deficient number, since it is larger than the sum of its proper divisors (19480554913).

420111233142431 is a wasteful number, since it uses less digits than its factorization.

420111233142431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253201.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 420111233142431 its reverse (134241332111024), we get a palindrome (554352565253455).

The spelling of 420111233142431 in words is "four hundred twenty trillion, one hundred eleven billion, two hundred thirty-three million, one hundred forty-two thousand, four hundred thirty-one".