201402311131 has 16 divisors (see below), whose sum is σ = 237090829248. Its totient is φ = 167489510400.

The previous prime is 201402311101. The next prime is 201402311147. The reversal of 201402311131 is 131113204102.

It is a cyclic number.

It is not a de Polignac number, because 201402311131 - 2³⁷ = 63963357659 is a prime.

It is a super-2 number, since 2×201402311131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201402311099 and 201402311108.

It is not an unprimeable number, because it can be changed into a prime (201402311101) 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, 1886590 + ... + 1990483.

It is an arithmetic number, because the mean of its divisors is an integer number (14818176828).

Almost surely, 2^201402311131 is an apocalyptic number.

201402311131 is a deficient number, since it is larger than the sum of its proper divisors (35688518117).

201402311131 is a wasteful number, since it uses less digits than its factorization.

201402311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877302.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 201402311131 its reverse (131113204102), we get a palindrome (332515515233).

The spelling of 201402311131 in words is "two hundred one billion, four hundred two million, three hundred eleven thousand, one hundred thirty-one".