31020201201 has 16 divisors (see below), whose sum is σ = 45124404480. Its totient is φ = 18798408720.

The previous prime is 31020201169. The next prime is 31020201217. The reversal of 31020201201 is 10210202013.

It is not a de Polignac number, because 31020201201 - 2⁵ = 31020201169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31020201281) 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, 390090 + ... + 462828.

It is an arithmetic number, because the mean of its divisors is an integer number (2820275280).

Almost surely, 2^31020201201 is an apocalyptic number.

It is an amenable number.

31020201201 is a deficient number, since it is larger than the sum of its proper divisors (14104203279).

31020201201 is a wasteful number, since it uses less digits than its factorization.

31020201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85676.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 31020201201 its reverse (10210202013), we get a palindrome (41230403214).

It can be divided in two parts, 31020 and 201201, that added together give a triangular number (232221 = T₆₈₁).

The spelling of 31020201201 in words is "thirty-one billion, twenty million, two hundred one thousand, two hundred one".