31206120434 has 8 divisors (see below), whose sum is σ = 46812282240. Its totient is φ = 15602026356.

The previous prime is 31206120409. The next prime is 31206120469. The reversal of 31206120434 is 43402160213.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478634 + ... + 539909.

It is an arithmetic number, because the mean of its divisors is an integer number (5851535280).

Almost surely, 2^31206120434 is an apocalyptic number.

31206120434 is a deficient number, since it is larger than the sum of its proper divisors (15606161806).

31206120434 is a wasteful number, since it uses less digits than its factorization.

31206120434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033864.

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

Adding to 31206120434 its reverse (43402160213), we get a palindrome (74608280647).

The spelling of 31206120434 in words is "thirty-one billion, two hundred six million, one hundred twenty thousand, four hundred thirty-four".