31411233122 has 4 divisors (see below), whose sum is σ = 47116849686. Its totient is φ = 15705616560.

The previous prime is 31411233121. The next prime is 31411233131. The reversal of 31411233122 is 22133211413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21785464801 + 9625768321 = 147599^2 + 98111^2 .

It is not an unprimeable number, because it can be changed into a prime (31411233121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7852808279 + ... + 7852808282.

Almost surely, 2^31411233122 is an apocalyptic number.

31411233122 is a deficient number, since it is larger than the sum of its proper divisors (15705616564).

31411233122 is a wasteful number, since it uses less digits than its factorization.

31411233122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15705616563.

The product of its digits is 864, while the sum is 23.

Adding to 31411233122 its reverse (22133211413), we get a palindrome (53544444535).

The spelling of 31411233122 in words is "thirty-one billion, four hundred eleven million, two hundred thirty-three thousand, one hundred twenty-two".