31545403004134 has 16 divisors (see below), whose sum is σ = 48326905464768. Its totient is φ = 15436462748992.

The previous prime is 31545403004131. The next prime is 31545403004183. The reversal of 31545403004134 is 43140030454513.

It is a super-3 number, since 3×31545403004134³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 31545403004093 and 31545403004102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31545403004131) 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, 4807927 + ... + 9284770.

It is an arithmetic number, because the mean of its divisors is an integer number (3020431591548).

Almost surely, 2^{31545403004134} is an apocalyptic number.

31545403004134 is a deficient number, since it is larger than the sum of its proper divisors (16781502460634).

31545403004134 is a wasteful number, since it uses less digits than its factorization.

31545403004134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14116559.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 31545403004134 its reverse (43140030454513), we get a palindrome (74685433458647).

The spelling of 31545403004134 in words is "thirty-one trillion, five hundred forty-five billion, four hundred three million, four thousand, one hundred thirty-four".