31211341204 has 6 divisors (see below), whose sum is σ = 54619847114. Its totient is φ = 15605670600.

The previous prime is 31211341201. The next prime is 31211341207. The reversal of 31211341204 is 40214311213.

It is an interprime number because it is at equal distance from previous prime (31211341201) and next prime (31211341207).

It can be written as a sum of positive squares in only one way, i.e., 23387584900 + 7823756304 = 152930^2 + 88452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31211341201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3901417647 + ... + 3901417654.

Almost surely, 2^31211341204 is an apocalyptic number.

It is an amenable number.

31211341204 is a deficient number, since it is larger than the sum of its proper divisors (23408505910).

31211341204 is a wasteful number, since it uses less digits than its factorization.

31211341204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7802835305 (or 7802835303 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31211341204 its reverse (40214311213), we get a palindrome (71425652417).

The spelling of 31211341204 in words is "thirty-one billion, two hundred eleven million, three hundred forty-one thousand, two hundred four".