400132402331 has 2 divisors, whose sum is σ = 400132402332. Its totient is φ = 400132402330.

The previous prime is 400132402301. The next prime is 400132402349. The reversal of 400132402331 is 133204231004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400132402331 - 2²² = 400128208027 is a prime.

It is a super-2 number, since 2×400132402331² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 400132402297 and 400132402306.

It is not a weakly prime, because it can be changed into another prime (400132402301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200066201165 + 200066201166.

It is an arithmetic number, because the mean of its divisors is an integer number (200066201166).

Almost surely, 2^400132402331 is an apocalyptic number.

400132402331 is a deficient number, since it is larger than the sum of its proper divisors (1).

400132402331 is an equidigital number, since it uses as much as digits as its factorization.

400132402331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 400132402331 its reverse (133204231004), we get a palindrome (533336633335).

The spelling of 400132402331 in words is "four hundred billion, one hundred thirty-two million, four hundred two thousand, three hundred thirty-one".