31420103434 has 8 divisors (see below), whose sum is σ = 47928971520. Its totient is φ = 15443779596.

The previous prime is 31420103423. The next prime is 31420103437. The reversal of 31420103434 is 43430102413.

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

It is a junction number, because it is equal to n+sod(n) for n = 31420103399 and 31420103408.

It is not an unprimeable number, because it can be changed into a prime (31420103437) 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, 133135914 + ... + 133136149.

It is an arithmetic number, because the mean of its divisors is an integer number (5991121440).

Almost surely, 2^31420103434 is an apocalyptic number.

31420103434 is a deficient number, since it is larger than the sum of its proper divisors (16508868086).

31420103434 is a wasteful number, since it uses less digits than its factorization.

31420103434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266272124.

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

Adding to 31420103434 its reverse (43430102413), we get a palindrome (74850205847).

The spelling of 31420103434 in words is "thirty-one billion, four hundred twenty million, one hundred three thousand, four hundred thirty-four".