201402311331 has 16 divisors (see below), whose sum is σ = 304413751040. Its totient is φ = 117416731680.

The previous prime is 201402311329. The next prime is 201402311339. The reversal of 201402311331 is 133113204102.

It is not a de Polignac number, because 201402311331 - 2¹ = 201402311329 is a prime.

It is a super-2 number, since 2×201402311331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201402311298 and 201402311307.

It is not an unprimeable number, because it can be changed into a prime (201402311339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135898255 + ... + 135899736.

It is an arithmetic number, because the mean of its divisors is an integer number (19025859440).

Almost surely, 2^201402311331 is an apocalyptic number.

201402311331 is a deficient number, since it is larger than the sum of its proper divisors (103011439709).

201402311331 is a wasteful number, since it uses less digits than its factorization.

201402311331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271798026.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 201402311331 its reverse (133113204102), we get a palindrome (334515515433).

The spelling of 201402311331 in words is "two hundred one billion, four hundred two million, three hundred eleven thousand, three hundred thirty-one".