31421034134 has 16 divisors (see below), whose sum is σ = 53948677536. Its totient is φ = 13445145600.

The previous prime is 31421034133. The next prime is 31421034209. The reversal of 31421034134 is 43143012413.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31421034131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1741697 + ... + 1759644.

It is an arithmetic number, because the mean of its divisors is an integer number (3371792346).

Almost surely, 2^31421034134 is an apocalyptic number.

31421034134 is a deficient number, since it is larger than the sum of its proper divisors (22527643402).

31421034134 is a wasteful number, since it uses less digits than its factorization.

31421034134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501991.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 31421034134 its reverse (43143012413), we get a palindrome (74564046547).

The spelling of 31421034134 in words is "thirty-one billion, four hundred twenty-one million, thirty-four thousand, one hundred thirty-four".