30653311252 has 24 divisors (see below), whose sum is σ = 58631005440. Its totient is φ = 13959761280.

The previous prime is 30653311219. The next prime is 30653311259. The reversal of 30653311252 is 25211335603.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30653311259) 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, 7268602 + ... + 7272817.

It is an arithmetic number, because the mean of its divisors is an integer number (2442958560).

Almost surely, 2^30653311252 is an apocalyptic number.

It is an amenable number.

30653311252 is a deficient number, since it is larger than the sum of its proper divisors (27977694188).

30653311252 is a wasteful number, since it uses less digits than its factorization.

30653311252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14541471 (or 14541469 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 30653311252 its reverse (25211335603), we get a palindrome (55864646855).

The spelling of 30653311252 in words is "thirty billion, six hundred fifty-three million, three hundred eleven thousand, two hundred fifty-two".