30197853561340 has 48 divisors (see below), whose sum is σ = 64180752531840. Its totient is φ = 11933383129920.

The previous prime is 30197853561313. The next prime is 30197853561341. The reversal of 30197853561340 is 4316535879103.

It is a super-2 number, since 2×30197853561340² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30197853561341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107578891 + ... + 107859229.

It is an arithmetic number, because the mean of its divisors is an integer number (1337099011080).

Almost surely, 2^{30197853561340} is an apocalyptic number.

It is an amenable number.

30197853561340 is an abundant number, since it is smaller than the sum of its proper divisors (33982898970500).

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

30197853561340 is a wasteful number, since it uses less digits than its factorization.

30197853561340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345322 (or 345320 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 30197853561340 in words is "thirty trillion, one hundred ninety-seven billion, eight hundred fifty-three million, five hundred sixty-one thousand, three hundred forty".