2231403342402 has 64 divisors (see below), whose sum is σ = 4872722400000. Its totient is φ = 677071125504.

The previous prime is 2231403342361. The next prime is 2231403342409. The reversal of 2231403342402 is 2042433041322.

It is a super-3 number, since 3×2231403342402³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2231403342402.

It is not an unprimeable number, because it can be changed into a prime (2231403342409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39641974 + ... + 39698222.

It is an arithmetic number, because the mean of its divisors is an integer number (76136287500).

Almost surely, 2^{2231403342402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231403342402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2436361200000).

2231403342402 is an abundant number, since it is smaller than the sum of its proper divisors (2641319057598).

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

2231403342402 is a wasteful number, since it uses less digits than its factorization.

2231403342402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63307.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 2231403342402 its reverse (2042433041322), we get a palindrome (4273836383724).

The spelling of 2231403342402 in words is "two trillion, two hundred thirty-one billion, four hundred three million, three hundred forty-two thousand, four hundred two".