1602421031 has 8 divisors (see below), whose sum is σ = 1741171200. Its totient is φ = 1469112120.

The previous prime is 1602421001. The next prime is 1602421057. The reversal of 1602421031 is 1301242061.

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

It is a cyclic number.

It is not a de Polignac number, because 1602421031 - 2¹⁴ = 1602404647 is a prime.

It is a super-2 number, since 2×1602421031² = 5135506321182205922, 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 = 1602420994 and 1602421012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1602421001) 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, 1359701 + ... + 1360878.

It is an arithmetic number, because the mean of its divisors is an integer number (217646400).

Almost surely, 2^1602421031 is an apocalyptic number.

1602421031 is a deficient number, since it is larger than the sum of its proper divisors (138750169).

1602421031 is a wasteful number, since it uses less digits than its factorization.

1602421031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720629.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1602421031 is about 40030.2514481236. The cubic root of 1602421031 is about 1170.1967261186.

Adding to 1602421031 its reverse (1301242061), we get a palindrome (2903663092).

The spelling of 1602421031 in words is "one billion, six hundred two million, four hundred twenty-one thousand, thirty-one".