211431400402030 has 16 divisors (see below), whose sum is σ = 380578474640160. Its totient is φ = 84572125957152.

The previous prime is 211431400402021. The next prime is 211431400402039. The reversal of 211431400402030 is 30204004134112.

211431400402030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (211431400402021) and next prime (211431400402039).

It is a junction number, because it is equal to n+sod(n) for n = 211431400401986 and 211431400402004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211431400402039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52226625 + ... + 56129164.

It is an arithmetic number, because the mean of its divisors is an integer number (23786154665010).

Almost surely, 2^{211431400402030} is an apocalyptic number.

211431400402030 is a deficient number, since it is larger than the sum of its proper divisors (169147074238130).

211431400402030 is a wasteful number, since it uses less digits than its factorization.

211431400402030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108550923.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 211431400402030 its reverse (30204004134112), we get a palindrome (241635404536142).

The spelling of 211431400402030 in words is "two hundred eleven trillion, four hundred thirty-one billion, four hundred million, four hundred two thousand, thirty".