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310134142 = 2155067071
BaseRepresentation
bin10010011111000…
…100010101111110
3210121120110001201
4102133010111332
51113343243032
650435130114
710454045113
oct2237042576
9717513051
10310134142
1114a07640a
1287a4393a
134c338736
142d29090a
151c3618e7
hex127c457e

310134142 has 4 divisors (see below), whose sum is σ = 465201216. Its totient is φ = 155067070.

The previous prime is 310134119. The next prime is 310134193. The reversal of 310134142 is 241431013.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77533534 + ... + 77533537.

It is an arithmetic number, because the mean of its divisors is an integer number (116300304).

Almost surely, 2310134142 is an apocalyptic number.

310134142 is a deficient number, since it is larger than the sum of its proper divisors (155067074).

310134142 is a wasteful number, since it uses less digits than its factorization.

310134142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155067073.

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

The square root of 310134142 is about 17610.6258264719. The cubic root of 310134142 is about 676.8875504420.

Adding to 310134142 its reverse (241431013), we get a palindrome (551565155).

The spelling of 310134142 in words is "three hundred ten million, one hundred thirty-four thousand, one hundred forty-two".

Divisors: 1 2 155067071 310134142