242464031 has 4 divisors (see below), whose sum is σ = 242510232. Its totient is φ = 242417832.

The previous prime is 242464009. The next prime is 242464039. The reversal of 242464031 is 130464242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130464242 = 2 ⋅65232121.

It is a cyclic number.

It is not a de Polignac number, because 242464031 - 2¹⁰ = 242463007 is a prime.

It is a super-2 number, since 2×242464031² = 117577612657537922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242464039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14045 + ... + 26118.

It is an arithmetic number, because the mean of its divisors is an integer number (60627558).

Almost surely, 2^242464031 is an apocalyptic number.

242464031 is a deficient number, since it is larger than the sum of its proper divisors (46201).

242464031 is an equidigital number, since it uses as much as digits as its factorization.

242464031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46200.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 242464031 is about 15571.2565645808. The cubic root of 242464031 is about 623.5660188866.

The spelling of 242464031 in words is "two hundred forty-two million, four hundred sixty-four thousand, thirty-one".