400431012230101 has 4 divisors (see below), whose sum is σ = 414238978169100. Its totient is φ = 386623046291104.

The previous prime is 400431012230071. The next prime is 400431012230131. The reversal of 400431012230101 is 101032210134004.

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

It is an interprime number because it is at equal distance from previous prime (400431012230071) and next prime (400431012230131).

It can be written as a sum of positive squares in 2 ways, for example, as 253628079747025 + 146802932483076 = 15925705^2 + 12116226^2 .

It is a cyclic number.

It is not a de Polignac number, because 400431012230101 - 2⁴⁵ = 365246640141269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400431012230131) 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, 6903982969456 + ... + 6903982969513.

It is an arithmetic number, because the mean of its divisors is an integer number (103559744542275).

Almost surely, 2^{400431012230101} is an apocalyptic number.

It is an amenable number.

400431012230101 is a deficient number, since it is larger than the sum of its proper divisors (13807965938999).

400431012230101 is a wasteful number, since it uses less digits than its factorization.

400431012230101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13807965938998.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 400431012230101 its reverse (101032210134004), we get a palindrome (501463222364105).

The spelling of 400431012230101 in words is "four hundred trillion, four hundred thirty-one billion, twelve million, two hundred thirty thousand, one hundred one".