400311022103 has 2 divisors, whose sum is σ = 400311022104. Its totient is φ = 400311022102.

The previous prime is 400311022091. The next prime is 400311022141. The reversal of 400311022103 is 301220113004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400311022103 - 2¹² = 400311018007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400311022183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200155511051 + 200155511052.

It is an arithmetic number, because the mean of its divisors is an integer number (200155511052).

Almost surely, 2^400311022103 is an apocalyptic number.

400311022103 is a deficient number, since it is larger than the sum of its proper divisors (1).

400311022103 is an equidigital number, since it uses as much as digits as its factorization.

400311022103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 400311022103 its reverse (301220113004), we get a palindrome (701531135107).

Subtracting from 400311022103 its reverse (301220113004), we obtain a palindrome (99090909099).

The spelling of 400311022103 in words is "four hundred billion, three hundred eleven million, twenty-two thousand, one hundred three".