303213020131 has 12 divisors (see below), whose sum is σ = 353037029472. Its totient is φ = 259661200848.

The previous prime is 303213020063. The next prime is 303213020137. The reversal of 303213020131 is 131020312303.

It is not a de Polignac number, because 303213020131 - 2¹¹ = 303213018083 is a prime.

It is a super-2 number, since 2×303213020131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 303213020099 and 303213020108.

It is not an unprimeable number, because it can be changed into a prime (303213020137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2751040 + ... + 2859133.

It is an arithmetic number, because the mean of its divisors is an integer number (29419752456).

Almost surely, 2^303213020131 is an apocalyptic number.

303213020131 is a deficient number, since it is larger than the sum of its proper divisors (49824009341).

303213020131 is a wasteful number, since it uses less digits than its factorization.

303213020131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611290 (or 5611283 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 303213020131 its reverse (131020312303), we get a palindrome (434233332434).

The spelling of 303213020131 in words is "three hundred three billion, two hundred thirteen million, twenty thousand, one hundred thirty-one".