31435051423042 has 16 divisors (see below), whose sum is σ = 47716223045400. Its totient is φ = 15529894420480.

The previous prime is 31435051423019. The next prime is 31435051423043. The reversal of 31435051423042 is 24032415053413.

It can be written as a sum of positive squares in 4 ways, for example, as 23236169392881 + 8198882030161 = 4820391^2 + 2863369^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31435051422992 and 31435051423010.

It is not an unprimeable number, because it can be changed into a prime (31435051423043) 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, 62418259 + ... + 62919862.

Almost surely, 2^{31435051423042} is an apocalyptic number.

31435051423042 is a deficient number, since it is larger than the sum of its proper divisors (16281171622358).

31435051423042 is a wasteful number, since it uses less digits than its factorization.

31435051423042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125339621.

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

Adding to 31435051423042 its reverse (24032415053413), we get a palindrome (55467466476455).

The spelling of 31435051423042 in words is "thirty-one trillion, four hundred thirty-five billion, fifty-one million, four hundred twenty-three thousand, forty-two".