310321142 has 8 divisors (see below), whose sum is σ = 465733800. Its totient is φ = 155076544.

The previous prime is 310321133. The next prime is 310321159. The reversal of 310321142 is 241123013.

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

It is a super-2 number, since 2×310321142² = 192598422344368328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 310321142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37292 + ... + 44847.

It is an arithmetic number, because the mean of its divisors is an integer number (58216725).

Almost surely, 2^310321142 is an apocalyptic number.

310321142 is a deficient number, since it is larger than the sum of its proper divisors (155412658).

310321142 is a wasteful number, since it uses less digits than its factorization.

310321142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84030.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 310321142 is about 17615.9343209493. The cubic root of 310321142 is about 677.0235695841.

Adding to 310321142 its reverse (241123013), we get a palindrome (551444155).

The spelling of 310321142 in words is "three hundred ten million, three hundred twenty-one thousand, one hundred forty-two".