242270031 has 8 divisors (see below), whose sum is σ = 334165680. Its totient is φ = 155943872.

The previous prime is 242270029. The next prime is 242270047. The reversal of 242270031 is 130072242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242270031 - 2¹ = 242270029 is a prime.

It is a super-2 number, since 2×242270031² = 117389535841481922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242270071) 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, 1392270 + ... + 1392443.

It is an arithmetic number, because the mean of its divisors is an integer number (41770710).

Almost surely, 2^242270031 is an apocalyptic number.

242270031 is a deficient number, since it is larger than the sum of its proper divisors (91895649).

242270031 is a wasteful number, since it uses less digits than its factorization.

242270031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784745.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 242270031 is about 15565.0258914015. The cubic root of 242270031 is about 623.3996655717.

The spelling of 242270031 in words is "two hundred forty-two million, two hundred seventy thousand, thirty-one".