31323263563162 has 16 divisors (see below), whose sum is σ = 47062250782632. Its totient is φ = 15635852144640.

The previous prime is 31323263563133. The next prime is 31323263563213. The reversal of 31323263563162 is 26136536232313.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11242280408401 + 20080983154761 = 3352951^2 + 4481181^2 .

It is a super-2 number, since 2×31323263563162² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10037962 + ... + 12783082.

Almost surely, 2^{31323263563162} is an apocalyptic number.

31323263563162 is a deficient number, since it is larger than the sum of its proper divisors (15738987219470).

31323263563162 is a wasteful number, since it uses less digits than its factorization.

31323263563162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754513.

The product of its digits is 2099520, while the sum is 46.

Adding to 31323263563162 its reverse (26136536232313), we get a palindrome (57459799795475).

The spelling of 31323263563162 in words is "thirty-one trillion, three hundred twenty-three billion, two hundred sixty-three million, five hundred sixty-three thousand, one hundred sixty-two".