20120202031 has 2 divisors, whose sum is σ = 20120202032. Its totient is φ = 20120202030.

The previous prime is 20120201999. The next prime is 20120202043. The reversal of 20120202031 is 13020202102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20120202031 - 2⁵ = 20120201999 is a prime.

It is a super-3 number, since 3×20120202031³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20120202071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060101015 + 10060101016.

It is an arithmetic number, because the mean of its divisors is an integer number (10060101016).

Almost surely, 2^20120202031 is an apocalyptic number.

20120202031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120202031 is an equidigital number, since it uses as much as digits as its factorization.

20120202031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20120202031 its reverse (13020202102), we get a palindrome (33140404133).

The spelling of 20120202031 in words is "twenty billion, one hundred twenty million, two hundred two thousand, thirty-one".