142316031 has 16 divisors (see below), whose sum is σ = 222929280. Its totient is φ = 79617120.

The previous prime is 142316029. The next prime is 142316059. The reversal of 142316031 is 130613241.

It is not a de Polignac number, because 142316031 - 2¹ = 142316029 is a prime.

It is a super-2 number, since 2×142316031² = 40507705359185922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142315989 and 142316007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142316081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165441 + ... + 166298.

It is an arithmetic number, because the mean of its divisors is an integer number (13933080).

Almost surely, 2^142316031 is an apocalyptic number.

142316031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142316031 is a deficient number, since it is larger than the sum of its proper divisors (80613249).

142316031 is a wasteful number, since it uses less digits than its factorization.

142316031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331766.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 142316031 is about 11929.6282842342. The cubic root of 142316031 is about 522.0970922287.

Adding to 142316031 its reverse (130613241), we get a palindrome (272929272).

The spelling of 142316031 in words is "one hundred forty-two million, three hundred sixteen thousand, thirty-one".