31420435045 has 8 divisors (see below), whose sum is σ = 39922435224. Its totient is φ = 23657739264.

The previous prime is 31420435027. The next prime is 31420435049. The reversal of 31420435045 is 54053402413.

It can be written as a sum of positive squares in 4 ways, for example, as 11278864804 + 20141570241 = 106202^2 + 141921^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 31420435045 - 2¹³ = 31420426853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31420434998 and 31420435016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31420435049) 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, 184826004 + ... + 184826173.

It is an arithmetic number, because the mean of its divisors is an integer number (4990304403).

Almost surely, 2^31420435045 is an apocalyptic number.

It is an amenable number.

31420435045 is a deficient number, since it is larger than the sum of its proper divisors (8502000179).

31420435045 is a wasteful number, since it uses less digits than its factorization.

31420435045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369652199.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 31420435045 its reverse (54053402413), we get a palindrome (85473837458).

The spelling of 31420435045 in words is "thirty-one billion, four hundred twenty million, four hundred thirty-five thousand, forty-five".