1351211830 has 16 divisors (see below), whose sum is σ = 2433967344. Its totient is φ = 540087840.

The previous prime is 1351211821. The next prime is 1351211831. The reversal of 1351211830 is 381121531.

It is a junction number, because it is equal to n+sod(n) for n = 1351211795 and 1351211804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351211831) 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, 35112 + ... + 62731.

It is an arithmetic number, because the mean of its divisors is an integer number (152122959).

Almost surely, 2^1351211830 is an apocalyptic number.

1351211830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1351211830 is a deficient number, since it is larger than the sum of its proper divisors (1082755514).

1351211830 is a wasteful number, since it uses less digits than its factorization.

1351211830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99231.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1351211830 is about 36758.8333601598. The cubic root of 1351211830 is about 1105.5400484606.

The spelling of 1351211830 in words is "one billion, three hundred fifty-one million, two hundred eleven thousand, eight hundred thirty".