2351213530 has 16 divisors (see below), whose sum is σ = 4255569864. Its totient is φ = 935288640.

The previous prime is 2351213521. The next prime is 2351213531. The reversal of 2351213530 is 353121532.

It can be written as a sum of positive squares in 4 ways, for example, as 1875842721 + 475370809 = 43311^2 + 21803^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2351213495 and 2351213504.

It is not an unprimeable number, because it can be changed into a prime (2351213531) 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, 647697 + ... + 651316.

Almost surely, 2^2351213530 is an apocalyptic number.

2351213530 is a deficient number, since it is larger than the sum of its proper divisors (1904356334).

2351213530 is a wasteful number, since it uses less digits than its factorization.

2351213530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299201.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 2351213530 is about 48489.3135649495. The cubic root of 2351213530 is about 1329.7317057327.

The spelling of 2351213530 in words is "two billion, three hundred fifty-one million, two hundred thirteen thousand, five hundred thirty".