211532316402 has 48 divisors (see below), whose sum is σ = 465110878176. Its totient is φ = 64088376000.

The previous prime is 211532316383. The next prime is 211532316407. The reversal of 211532316402 is 204613235112.

It is a self number, because there is not a number n which added to its sum of digits gives 211532316402.

It is not an unprimeable number, because it can be changed into a prime (211532316407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4186413 + ... + 4236639.

It is an arithmetic number, because the mean of its divisors is an integer number (9689809962).

Almost surely, 2^211532316402 is an apocalyptic number.

211532316402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211532316402 is an abundant number, since it is smaller than the sum of its proper divisors (253578561774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211532316402 is a wasteful number, since it uses less digits than its factorization.

211532316402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56055 (or 56044 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 211532316402 in words is "two hundred eleven billion, five hundred thirty-two million, three hundred sixteen thousand, four hundred two".