201431034311 has 16 divisors (see below), whose sum is σ = 226387761600. Its totient is φ = 177828203520.

The previous prime is 201431034281. The next prime is 201431034319. The reversal of 201431034311 is 113430134102.

It is a cyclic number.

It is not a de Polignac number, because 201431034311 - 2⁶ = 201431034247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201431034319) 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, 2398865 + ... + 2481413.

It is an arithmetic number, because the mean of its divisors is an integer number (14149235100).

Almost surely, 2^201431034311 is an apocalyptic number.

201431034311 is a deficient number, since it is larger than the sum of its proper divisors (24956727289).

201431034311 is a wasteful number, since it uses less digits than its factorization.

201431034311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90746.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 201431034311 its reverse (113430134102), we get a palindrome (314861168413).

The spelling of 201431034311 in words is "two hundred one billion, four hundred thirty-one million, thirty-four thousand, three hundred eleven".