31030035221532 has 24 divisors (see below), whose sum is σ = 72541854184576. Its totient is φ = 10323568121328.

The previous prime is 31030035221513. The next prime is 31030035221533. The reversal of 31030035221532 is 23512253003013.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31030035221532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030035221533) 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, 2472112528 + ... + 2472125079.

Almost surely, 2^{31030035221532} is an apocalyptic number.

It is an amenable number.

31030035221532 is an abundant number, since it is smaller than the sum of its proper divisors (41511818963044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31030035221532 is a wasteful number, since it uses less digits than its factorization.

31030035221532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4944238137 (or 4944238135 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 31030035221532 its reverse (23512253003013), we get a palindrome (54542288224545).

The spelling of 31030035221532 in words is "thirty-one trillion, thirty billion, thirty-five million, two hundred twenty-one thousand, five hundred thirty-two".