211312122313030 has 16 divisors (see below), whose sum is σ = 380369270539440. Its totient is φ = 84523193286112.

The previous prime is 211312122312979. The next prime is 211312122313081. The reversal of 211312122313030 is 30313221213112.

It is an interprime number because it is at equal distance from previous prime (211312122312979) and next prime (211312122313081).

It is a junction number, because it is equal to n+sod(n) for n = 211312122312986 and 211312122313004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206418769 + ... + 207439948.

It is an arithmetic number, because the mean of its divisors is an integer number (23773079408715).

Almost surely, 2^{211312122313030} is an apocalyptic number.

211312122313030 is a deficient number, since it is larger than the sum of its proper divisors (169057148226410).

211312122313030 is a wasteful number, since it uses less digits than its factorization.

211312122313030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413909783.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 211312122313030 its reverse (30313221213112), we get a palindrome (241625343526142).

The spelling of 211312122313030 in words is "two hundred eleven trillion, three hundred twelve billion, one hundred twenty-two million, three hundred thirteen thousand, thirty".