211031101402 has 8 divisors (see below), whose sum is σ = 345323620512. Its totient is φ = 95923227900.

The previous prime is 211031101381. The next prime is 211031101409. The reversal of 211031101402 is 204101130112.

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

It is not an unprimeable number, because it can be changed into a prime (211031101409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4796161374 + ... + 4796161417.

It is an arithmetic number, because the mean of its divisors is an integer number (43165452564).

Almost surely, 2^211031101402 is an apocalyptic number.

211031101402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211031101402 is a deficient number, since it is larger than the sum of its proper divisors (134292519110).

211031101402 is a wasteful number, since it uses less digits than its factorization.

211031101402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9592322804.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 211031101402 its reverse (204101130112), we get a palindrome (415132231514).

The spelling of 211031101402 in words is "two hundred eleven billion, thirty-one million, one hundred one thousand, four hundred two".