242451031 has 8 divisors (see below), whose sum is σ = 253702784. Its totient is φ = 231413760.

The previous prime is 242451019. The next prime is 242451037. The reversal of 242451031 is 130154242.

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

It is not a de Polignac number, because 242451031 - 2⁷ = 242450903 is a prime.

It is a super-2 number, since 2×242451031² = 117565004865925922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242450993 and 242451011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242451037) 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, 51306 + ... + 55831.

It is an arithmetic number, because the mean of its divisors is an integer number (31712848).

Almost surely, 2^242451031 is an apocalyptic number.

242451031 is a deficient number, since it is larger than the sum of its proper divisors (11251753).

242451031 is a wasteful number, since it uses less digits than its factorization.

242451031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107241.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 242451031 is about 15570.8391231815. The cubic root of 242451031 is about 623.5548742740.

The spelling of 242451031 in words is "two hundred forty-two million, four hundred fifty-one thousand, thirty-one".