30401266281 has 16 divisors (see below), whose sum is σ = 41147534400. Its totient is φ = 19961365248.

The previous prime is 30401266267. The next prime is 30401266321. The reversal of 30401266281 is 18266210403.

It is not a de Polignac number, because 30401266281 - 2¹³ = 30401258089 is a prime.

It is a super-2 number, since 2×30401266281² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30401266201) 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, 1503285 + ... + 1523373.

It is an arithmetic number, because the mean of its divisors is an integer number (2571720900).

Almost surely, 2^30401266281 is an apocalyptic number.

It is an amenable number.

30401266281 is a deficient number, since it is larger than the sum of its proper divisors (10746268119).

30401266281 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 30401266281 = (86421310206)₉.

30401266281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27688.

The product of its (nonzero) digits is 13824, while the sum is 33.

Adding to 30401266281 its reverse (18266210403), we get a palindrome (48667476684).

The spelling of 30401266281 in words is "thirty billion, four hundred one million, two hundred sixty-six thousand, two hundred eighty-one".