242631134 has 4 divisors (see below), whose sum is σ = 363946704. Its totient is φ = 121315566.

The previous prime is 242631131. The next prime is 242631143. The reversal of 242631134 is 431136242.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×242631134² = 117739734372251912, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242631131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60657782 + ... + 60657785.

It is an arithmetic number, because the mean of its divisors is an integer number (90986676).

Almost surely, 2^242631134 is an apocalyptic number.

242631134 is a deficient number, since it is larger than the sum of its proper divisors (121315570).

242631134 is a wasteful number, since it uses less digits than its factorization.

242631134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121315569.

The product of its digits is 3456, while the sum is 26.

The square root of 242631134 is about 15576.6213923302. The cubic root of 242631134 is about 623.7092371384.

Adding to 242631134 its reverse (431136242), we get a palindrome (673767376).

The spelling of 242631134 in words is "two hundred forty-two million, six hundred thirty-one thousand, one hundred thirty-four".