201431313332 has 6 divisors (see below), whose sum is σ = 352504798338. Its totient is φ = 100715656664.

The previous prime is 201431313323. The next prime is 201431313437. The reversal of 201431313332 is 233313134102.

It can be written as a sum of positive squares in only one way, i.e., 177481893796 + 23949419536 = 421286^2 + 154756^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25178914163 + ... + 25178914170.

It is an arithmetic number, because the mean of its divisors is an integer number (58750799723).

Almost surely, 2^201431313332 is an apocalyptic number.

It is an amenable number.

201431313332 is a deficient number, since it is larger than the sum of its proper divisors (151073485006).

201431313332 is a wasteful number, since it uses less digits than its factorization.

201431313332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50357828337 (or 50357828335 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 201431313332 its reverse (233313134102), we get a palindrome (434744447434).

The spelling of 201431313332 in words is "two hundred one billion, four hundred thirty-one million, three hundred thirteen thousand, three hundred thirty-two".