400310204145031 has 2 divisors, whose sum is σ = 400310204145032. Its totient is φ = 400310204145030.

The previous prime is 400310204144987. The next prime is 400310204145037. The reversal of 400310204145031 is 130541402013004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400310204145031 - 2⁹ = 400310204144519 is a prime.

It is a super-2 number, since 2×400310204145031² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400310204145037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200155102072515 + 200155102072516.

It is an arithmetic number, because the mean of its divisors is an integer number (200155102072516).

Almost surely, 2^{400310204145031} is an apocalyptic number.

400310204145031 is a deficient number, since it is larger than the sum of its proper divisors (1).

400310204145031 is an equidigital number, since it uses as much as digits as its factorization.

400310204145031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 400310204145031 its reverse (130541402013004), we get a palindrome (530851606158035).

The spelling of 400310204145031 in words is "four hundred trillion, three hundred ten billion, two hundred four million, one hundred forty-five thousand, thirty-one".