142334031 has 8 divisors (see below), whose sum is σ = 216889984. Its totient is φ = 81333720.

The previous prime is 142334011. The next prime is 142334033. The reversal of 142334031 is 130433241.

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

It is not a de Polignac number, because 142334031 - 2⁷ = 142333903 is a prime.

It is a super-2 number, since 2×142334031² = 40517952761417922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6777811 = 142334031 / (1 + 4 + 2 + 3 + 3 + 4 + 0 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142333989 and 142334007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142334033) 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, 3388885 + ... + 3388926.

It is an arithmetic number, because the mean of its divisors is an integer number (27111248).

Almost surely, 2^142334031 is an apocalyptic number.

142334031 is a deficient number, since it is larger than the sum of its proper divisors (74555953).

142334031 is an equidigital number, since it uses as much as digits as its factorization.

142334031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6777821.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 142334031 is about 11930.3826845579. The cubic root of 142334031 is about 522.1191027533.

Adding to 142334031 its reverse (130433241), we get a palindrome (272767272).

The spelling of 142334031 in words is "one hundred forty-two million, three hundred thirty-four thousand, thirty-one".