31302423241 has 4 divisors (see below), whose sum is σ = 31308116992. Its totient is φ = 31296729492.

The previous prime is 31302423211. The next prime is 31302423247. The reversal of 31302423241 is 14232420313.

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 31302423241 - 2⁹ = 31302422729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31302423247) 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, 2838621 + ... + 2849626.

It is an arithmetic number, because the mean of its divisors is an integer number (7827029248).

Almost surely, 2^31302423241 is an apocalyptic number.

It is an amenable number.

31302423241 is a deficient number, since it is larger than the sum of its proper divisors (5693751).

31302423241 is an equidigital number, since it uses as much as digits as its factorization.

31302423241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5693750.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31302423241 its reverse (14232420313), we get a palindrome (45534843554).

The spelling of 31302423241 in words is "thirty-one billion, three hundred two million, four hundred twenty-three thousand, two hundred forty-one".