140311031434 has 16 divisors (see below), whose sum is σ = 241389193536. Its totient is φ = 59919300000.

The previous prime is 140311031431. The next prime is 140311031437. The reversal of 140311031434 is 434130113041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140311031431) and next prime (140311031437).

It is a junction number, because it is equal to n+sod(n) for n = 140311031399 and 140311031408.

It is not an unprimeable number, because it can be changed into a prime (140311031431) 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, 17829192 + ... + 17837059.

It is an arithmetic number, because the mean of its divisors is an integer number (15086824596).

Almost surely, 2^140311031434 is an apocalyptic number.

140311031434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140311031434 is a deficient number, since it is larger than the sum of its proper divisors (101078162102).

140311031434 is a wasteful number, since it uses less digits than its factorization.

140311031434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35666541.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 140311031434 its reverse (434130113041), we get a palindrome (574441144475).

The spelling of 140311031434 in words is "one hundred forty billion, three hundred eleven million, thirty-one thousand, four hundred thirty-four".