31304413141 has 4 divisors (see below), whose sum is σ = 31468310784. Its totient is φ = 31140515500.

The previous prime is 31304413081. The next prime is 31304413169. The reversal of 31304413141 is 14131440313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31304413141 - 2¹³ = 31304404949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31304413171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81948535 + ... + 81948916.

It is an arithmetic number, because the mean of its divisors is an integer number (7867077696).

Almost surely, 2^31304413141 is an apocalyptic number.

It is an amenable number.

31304413141 is a deficient number, since it is larger than the sum of its proper divisors (163897643).

31304413141 is a wasteful number, since it uses less digits than its factorization.

31304413141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163897642.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 31304413141 its reverse (14131440313), we get a palindrome (45435853454).

The spelling of 31304413141 in words is "thirty-one billion, three hundred four million, four hundred thirteen thousand, one hundred forty-one".