31204148429 has 2 divisors, whose sum is σ = 31204148430. Its totient is φ = 31204148428.

The previous prime is 31204148411. The next prime is 31204148471. The reversal of 31204148429 is 92484140213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26177622025 + 5026526404 = 161795^2 + 70898^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31204148429 is a prime.

It is a super-3 number, since 3×31204148429³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31204148392 and 31204148401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31204148029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15602074214 + 15602074215.

It is an arithmetic number, because the mean of its divisors is an integer number (15602074215).

Almost surely, 2^31204148429 is an apocalyptic number.

It is an amenable number.

31204148429 is a deficient number, since it is larger than the sum of its proper divisors (1).

31204148429 is an equidigital number, since it uses as much as digits as its factorization.

31204148429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 31204148429 in words is "thirty-one billion, two hundred four million, one hundred forty-eight thousand, four hundred twenty-nine".