30201231040 has 56 divisors (see below), whose sum is σ = 74396589840. Its totient is φ = 11663920128.

The previous prime is 30201231037. The next prime is 30201231043. The reversal of 30201231040 is 4013210203.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30201231037) and next prime (30201231043).

It is a super-2 number, since 2×30201231040² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (30201231043) 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, 1617942 + ... + 1636501.

Almost surely, 2^30201231040 is an apocalyptic number.

It is an amenable number.

30201231040 is an abundant number, since it is smaller than the sum of its proper divisors (44195358800).

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

30201231040 is a wasteful number, since it uses less digits than its factorization.

30201231040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254489 (or 3254479 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30201231040 its reverse (4013210203), we get a palindrome (34214441243).

The spelling of 30201231040 in words is "thirty billion, two hundred one million, two hundred thirty-one thousand, forty".