1143420310 has 32 divisors (see below), whose sum is σ = 2111963040. Its totient is φ = 445471488.

The previous prime is 1143420307. The next prime is 1143420331. The reversal of 1143420310 is 130243411.

It is a super-2 number, since 2×1143420310² = 2614820010640992200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156826 + ... + 163954.

It is an arithmetic number, because the mean of its divisors is an integer number (65998845).

Almost surely, 2^1143420310 is an apocalyptic number.

1143420310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143420310 is a deficient number, since it is larger than the sum of its proper divisors (968542730).

1143420310 is a wasteful number, since it uses less digits than its factorization.

1143420310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7552.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1143420310 is about 33814.4985176477. The cubic root of 1143420310 is about 1045.6876223438.

Adding to 1143420310 its reverse (130243411), we get a palindrome (1273663721).

The spelling of 1143420310 in words is "one billion, one hundred forty-three million, four hundred twenty thousand, three hundred ten".