201131420434 has 48 divisors (see below), whose sum is σ = 358463059200. Its totient is φ = 84367586016.

The previous prime is 201131420431. The next prime is 201131420437. The reversal of 201131420434 is 434024131102.

201131420434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201131420431) and next prime (201131420437).

It is a junction number, because it is equal to n+sod(n) for n = 201131420399 and 201131420408.

It is not an unprimeable number, because it can be changed into a prime (201131420431) 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, 1248127 + ... + 1400029.

It is an arithmetic number, because the mean of its divisors is an integer number (7467980400).

Almost surely, 2^201131420434 is an apocalyptic number.

201131420434 is a deficient number, since it is larger than the sum of its proper divisors (157331638766).

201131420434 is a wasteful number, since it uses less digits than its factorization.

201131420434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152207 (or 152200 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 201131420434 its reverse (434024131102), we get a palindrome (635155551536).

The spelling of 201131420434 in words is "two hundred one billion, one hundred thirty-one million, four hundred twenty thousand, four hundred thirty-four".