242031501 has 6 divisors (see below), whose sum is σ = 349601070. Its totient is φ = 161354328.

The previous prime is 242031497. The next prime is 242031509. The reversal of 242031501 is 105130242.

It can be written as a sum of positive squares in only one way, i.e., 241771401 + 260100 = 15549^2 + 510^2 .

It is not a de Polignac number, because 242031501 - 2² = 242031497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242031509) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13446186 + ... + 13446203.

It is an arithmetic number, because the mean of its divisors is an integer number (58266845).

Almost surely, 2^242031501 is an apocalyptic number.

It is an amenable number.

242031501 is a deficient number, since it is larger than the sum of its proper divisors (107569569).

242031501 is a wasteful number, since it uses less digits than its factorization.

242031501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26892395 (or 26892392 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 242031501 is about 15557.3616336447. The cubic root of 242031501 is about 623.1950064018.

Adding to 242031501 its reverse (105130242), we get a palindrome (347161743).

The spelling of 242031501 in words is "two hundred forty-two million, thirty-one thousand, five hundred one".