31243301434 has 8 divisors (see below), whose sum is σ = 49331528640. Its totient is φ = 14799458556.

The previous prime is 31243301413. The next prime is 31243301447. The reversal of 31243301434 is 43410334213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31243301434² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411096034 + ... + 411096109.

It is an arithmetic number, because the mean of its divisors is an integer number (6166441080).

Almost surely, 2^31243301434 is an apocalyptic number.

31243301434 is a deficient number, since it is larger than the sum of its proper divisors (18088227206).

31243301434 is a wasteful number, since it uses less digits than its factorization.

31243301434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822192164.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31243301434 its reverse (43410334213), we get a palindrome (74653635647).

The spelling of 31243301434 in words is "thirty-one billion, two hundred forty-three million, three hundred one thousand, four hundred thirty-four".