31442230534 has 32 divisors (see below), whose sum is σ = 57319345440. Its totient is φ = 12737625600.

The previous prime is 31442230529. The next prime is 31442230553. The reversal of 31442230534 is 43503224413.

It is a happy number.

It is a super-2 number, since 2×31442230534² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31442230496 and 31442230505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1887187 + ... + 1903774.

It is an arithmetic number, because the mean of its divisors is an integer number (1791229545).

Almost surely, 2^31442230534 is an apocalyptic number.

31442230534 is a deficient number, since it is larger than the sum of its proper divisors (25877114906).

31442230534 is a wasteful number, since it uses less digits than its factorization.

31442230534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791016.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 31442230534 its reverse (43503224413), we get a palindrome (74945454947).

The spelling of 31442230534 in words is "thirty-one billion, four hundred forty-two million, two hundred thirty thousand, five hundred thirty-four".