211130001431 has 8 divisors (see below), whose sum is σ = 213768180864. Its totient is φ = 208494070840.

The previous prime is 211130001427. The next prime is 211130001451. The reversal of 211130001431 is 134100031112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211130001431 - 2² = 211130001427 is a prime.

It is a super-2 number, since 2×211130001431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211130001451) 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, 372875 + ... + 749196.

It is an arithmetic number, because the mean of its divisors is an integer number (26721022608).

Almost surely, 2^211130001431 is an apocalyptic number.

211130001431 is a deficient number, since it is larger than the sum of its proper divisors (2638179433).

211130001431 is a wasteful number, since it uses less digits than its factorization.

211130001431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124421.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 211130001431 its reverse (134100031112), we get a palindrome (345230032543).

The spelling of 211130001431 in words is "two hundred eleven billion, one hundred thirty million, one thousand, four hundred thirty-one".