431401012111 has 16 divisors (see below), whose sum is σ = 455726740480. Its totient is φ = 407728157760.

The previous prime is 431401012093. The next prime is 431401012129. The reversal of 431401012111 is 111210104134.

It is an interprime number because it is at equal distance from previous prime (431401012093) and next prime (431401012129).

It is a cyclic number.

It is not a de Polignac number, because 431401012111 - 2¹⁷ = 431400881039 is a prime.

It is a super-2 number, since 2×431401012111² (a number of 24 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 (431401412111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17320555 + ... + 17345443.

It is an arithmetic number, because the mean of its divisors is an integer number (28482921280).

Almost surely, 2^431401012111 is an apocalyptic number.

431401012111 is a deficient number, since it is larger than the sum of its proper divisors (24325728369).

431401012111 is a wasteful number, since it uses less digits than its factorization.

431401012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37966.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 431401012111 its reverse (111210104134), we get a palindrome (542611116245).

The spelling of 431401012111 in words is "four hundred thirty-one billion, four hundred one million, twelve thousand, one hundred eleven".