246421031 has 4 divisors (see below), whose sum is σ = 248961552. Its totient is φ = 243880512.

The previous prime is 246420973. The next prime is 246421037. The reversal of 246421031 is 130124642.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130124642 = 2 ⋅65062321.

It is a cyclic number.

It is not a de Polignac number, because 246421031 - 2¹⁰ = 246420007 is a prime.

It is a super-2 number, since 2×246421031² = 121446649038205922, 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 = 246420988 and 246421006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246421037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270115 + ... + 1270308.

It is an arithmetic number, because the mean of its divisors is an integer number (62240388).

Almost surely, 2^246421031 is an apocalyptic number.

246421031 is a deficient number, since it is larger than the sum of its proper divisors (2540521).

246421031 is an equidigital number, since it uses as much as digits as its factorization.

246421031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540520.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 246421031 is about 15697.8033813652. The cubic root of 246421031 is about 626.9399189666.

Adding to 246421031 its reverse (130124642), we get a palindrome (376545673).

The spelling of 246421031 in words is "two hundred forty-six million, four hundred twenty-one thousand, thirty-one".