400030204223131 has 2 divisors, whose sum is σ = 400030204223132. Its totient is φ = 400030204223130.

The previous prime is 400030204223071. The next prime is 400030204223203. The reversal of 400030204223131 is 131322402030004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400030204223131 - 2⁹ = 400030204222619 is a prime.

It is a super-2 number, since 2×400030204223131² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400030204223096 and 400030204223105.

It is not a weakly prime, because it can be changed into another prime (400030204223731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200015102111565 + 200015102111566.

It is an arithmetic number, because the mean of its divisors is an integer number (200015102111566).

Almost surely, 2^{400030204223131} is an apocalyptic number.

400030204223131 is a deficient number, since it is larger than the sum of its proper divisors (1).

400030204223131 is an equidigital number, since it uses as much as digits as its factorization.

400030204223131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 400030204223131 its reverse (131322402030004), we get a palindrome (531352606253135).

The spelling of 400030204223131 in words is "four hundred trillion, thirty billion, two hundred four million, two hundred twenty-three thousand, one hundred thirty-one".